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LGA 2011
Type	LGA-ZIF
Chip form factors	Flip-chip
Contacts	2011
FSB protocol	Intel QPI; DMI 2.0;
FSB frequency	1× to 2× QPI, DMI 2.0
Processors	Sandy Bridge-E/EP; Ivy Bridge-E/EP; Haswell-E/EP (LGA2011-v3); Broadwell-E (LGA2011-v3);
Predecessor	LGA 1366 (desktops, low- and mid-end servers); LGA 1567 (high-end servers);
Successor	LGA 2066 (desktops and workstations); LGA 3647 (servers); Xeon E3 family, later renamed Xeon E, uses consumer-grade sockets.;
Memory support	DDR3 ; DDR4
	This article is part of the CPU socket series

LGA 2011, also called Socket R, is a CPU socket by Intel released on November 14, 2011. It launched along with LGA 1356 to replace its predecessor, LGA 1366 (Socket B) and LGA 1567.^[1]^[2] While LGA 1356 was designed for dual-processor or low-end servers, LGA 2011 was designed for high-end desktops and high-performance servers. The socket has 2011 protruding pins that touch contact points on the underside of the processor.

The LGA 2011 socket uses QPI to connect the CPU to additional CPUs. DMI 2.0 is used to connect the processor to the PCH. The memory controller and 40 PCI Express (PCIe) lanes are integrated into the CPU. On a secondary processor an extra ×4 PCIe interface replaces the DMI interface. As with its predecessor LGA 1366, there is no provisioning for integrated graphics. This socket supports four DDR3 or DDR4 SDRAM memory channels with up to three unbuffered or registered DIMMs per channel, as well as up to 40 PCI Express 2.0 or 3.0 lanes.^[3]^[4] LGA 2011 also has to ensure platform scalability beyond eight cores and 20 MB of cache.^[5]

The LGA 2011 socket is used by Sandy Bridge-E/EP and Ivy Bridge-E/EP processors with the corresponding X79 (E – enthusiast class) and C600-series (EP – Xeon class) chipsets. It and LGA 1155 are the two last Intel sockets to support Windows XP and Windows Server 2003.

LGA 2011-1 (Socket R2), an updated generation of the socket and the successor of LGA 1567, is used for Ivy Bridge-EX (Xeon E7 v2),^[6] Haswell-EX (Xeon E7 v3) and Broadwell-EX (Xeon E7 v4) CPUs, which were released in February 2014, May 2015 and July 2016, respectively.

LGA 2011-v3 (Socket R3, also referred to as LGA 2011-3) is another updated generation of the socket, used for Haswell-E and Haswell-EP CPUs and Broadwell-E,^[7] which were released in August and September 2014, respectively. Updated socket generations are physically similar to LGA 2011. Still, different electrical signals, keying of the Independent Loading Mechanism (ILM) and integrating DDR4 memory controller rather than DDR3 prevent backward compatibility with older CPUs.^[8]

In the server market, it was succeeded by LGA 3647, while in high-end desktop and workstation markets its successor is LGA 2066. The Xeon E3 family of processors, later renamed Xeon E, uses consumer-grade sockets.

Physical design and socket generations

Intel CPU sockets use the so-called Independent Loading Mechanism (ILM) retention device to apply the specific amount of uniform pressure required to correctly hold the CPU against the socket interface. As part of their design, ILMs have differently placed protrusions which are intended to mate with cutouts in CPU packagings. These protrusions, also known as ILM keying, have the purpose of preventing installation of incompatible CPUs into otherwise physically compatible sockets, and preventing ILMs to be mounted with a 180-degree rotation relative to the CPU socket.^[9]

Different variants (or generations) of the LGA 2011 socket and associated CPUs come with different ILM keying, which makes it possible to install CPUs only into generation-matching sockets. CPUs that are intended to be mounted into LGA 2011-0 (R), LGA 2011-1 (R2) or LGA 2011-v3 (R3) sockets are all mechanically compatible regarding their dimensions and ball pattern pitches, but the designations of contacts are different between generations of the LGA 2011 socket and CPUs, which makes them electrically and logically incompatible. Original LGA 2011 socket is used for Sandy Bridge-E/EP and Ivy Bridge-E/EP processors, while LGA 2011-1 is used for Ivy Bridge-EX (Xeon E7 v2) and Haswell-EX (Xeon E7 V3) CPUs, which were released in February 2014 and May 2015, respectively. LGA 2011-v3 socket is used for Haswell-E and Haswell-EP CPUs, which were released in August and September 2014, respectively.^[6]^[7]^[8]^[10]

Two types of ILM exist, with different shapes and heatsink mounting hole patterns, both with M4 x 0.7 threads:^[11] square ILM (80×80 mm mounting pattern), and narrow ILM (56×94 mm mounting pattern). Square ILM is the standard type, while the narrow one is alternatively available for space-constrained applications.^[11]^[12] A matching heatsink is required for each ILM type.^[13]^[14]

Chipsets

Information for the Intel X79 (for desktop) and C600 series (for workstations and servers, codenamed Romley^[15]) chipsets is in the table below. The Romley (EP) platform was delayed approximately one quarter, allegedly due to a SAS controller bug.^[15]

The X79 appears to contain the same silicon as the C600 series, with ECS having enabled the SAS controller for one of their boards, even though SAS is not officially supported by Intel for X79.^[16]

Name	X79^[17]	X99	C602J	C602	C604	C606	C608	C612
CPU Support	Sandy Bridge-E, Ivy Bridge-E^[18]	Haswell-E, Broadwell-E	Sandy Bridge-EP, Ivy Bridge-EP					Haswell-EP, Broadwell-EP
Memory standard and maximum slots	Quad-channel DDR3 up to two DIMMs per channel	Quad-channel DDR4 up to two DIMMs per channel	Quad-channel DDR3 up to three DIMMs per channel					Quad-channel DDR4 up to three DIMMs per channel
Overclocking	Yes		No
Embedded GPU	No
RAID 0/1/5/10	Yes^[19]
Maximum USB ports (USB 3.0)	14 (0)^[20]	14 (6)	14 (0)^[19]					14 (6)
Maximum SATA ports (SATA 3.0, 6 Gbit/s)	6 (2)^[20]	10 (10)	6 (2)^[19]	6 (2) + 4 SCU SATA^[19]	6 (2) + 4 SCU SAS/SATA^[19]	6 (2) + 8 SCU SAS/SATA^[19]		10 (10)
CPU-provided PCIe configuration	40 PCIe 3.0 lanes^[21]		40 PCIe lanes per CPU^[22]
Chipset-provided PCIe configuration	8 PCIe 2.0 lanes		8 PCIe 2.0 lanes^[19]
PCI	Yes	No	Yes^[19]					No
Intel Rapid Storage Technology	Yes	v13.1	Enterprise edition					Yes
Smart Response Technology	No	Yes	No					Yes
Intel vPro	No		Yes
Chipset TDP	7.8 W	6.5 W	8 W			12 W		6.5 W
Chipset lithography	65 nm	32 nm	65 nm					32 nm
Release date	2011-11-14	2014-08-29	Q1 2012					2014-09-08

Compatible processors

Desktop processors

Desktop processors compatible with LGA 2011, 2011–3 socket are Sandy Bridge-E, Ivy Bridge-E, Haswell-E and Broadwell-E.

Sandy Bridge-E and Ivy Bridge-E processors are compatible with the Intel X79 chipset.
Haswell-E and Broadwell-E processors are compatible with the Intel X99 chipset.
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Turbo Boost, AES-NI, Smart Cache, Hyper-threading, except the C1 stepping models, which lack VT-d.^[23]
Sandy Bridge-E, Ivy Bridge-E and Haswell-E processors are not bundled with standard air-cooled CPU coolers. Intel is offering a standard CPU cooler, and a liquid-cooled CPU cooler, which are both sold separately.^[24]

Socket	Codename	Processor model	Cores (threads)	Base	Turbo	Multiplier	L2 cache	L3 cache	PCIe lanes	TDP	Release date^[25]	Price (US)^[26]
Socket	Codename	Processor model	Cores (threads)	CPU clock rate		Multiplier	L2 cache	L3 cache	PCIe lanes	TDP	Release date^[25]	Price (US)^[26]
LGA 2011	Sandy Bridge-E	Core i7-3970X Extreme Edition^[27]	6 (12)	3.5 GHz	4.0 GHz	Unlocked	6 × 256 KB	15MB	40× PCIe2.0	150W	2012 Q4	$999
		Core i7-3960X Extreme Edition^[28]		3.3 GHz	3.9 GHz		6 × 256 KB	15MB		130W	2011-11-14	$990^[29]
		Core i7-3930K^[30]		3.2 GHz	3.8 GHz		6 × 256 KB	12MB		130W	2011-11-14	$555^[29]
		Core i7-3820^[31]	4 (8)	3.6 GHz	3.8 GHz	Partially Unlocked	4 × 256 KB	10MB		130W	2012-02-14	$305^[32]
	Ivy Bridge-E	Core i7-4960X Extreme Edition^[33]	6 (12)	3.6 GHz	4.0 GHz	Unlocked	6 × 256 KB	15MB	40× PCIe 3.0	130W	2013 Q3	$999^[34]
		Core i7-4930K^[35]	6 (12)	3.4 GHz	3.9 GHz		6 × 256 KB	12MB				$583^[34]
		Core i7-4820K^[36]	4 (8)	3.7 GHz	3.9 GHz		4 × 256 KB	10MB				$323^[34]
LGA 2011-3	Haswell-E	Core i7-5960X Extreme Edition^[37]	8 (16)	3.0 GHz	3.5 GHz		8 × 256 KB	20MB		140W	2014-08-29	$999
		Core i7-5930K^[38]	6 (12)	3.5 GHz	3.7 GHz		6 x 256 KB	15MB				$550
		Core i7-5820K^[39]	6 (12)	3.3 GHz	3.6 GHz		6 x 256 KB	15MB	28× PCIe3.0			$396
	Broadwell-E	Core i7-6950X^[40]	10 (20)	3.0 GHz	3.5 GHz		10 x 256 KB	25MB	40× PCIe3.0		2016-05-30	$1723
		Core i7-6900K^[41]	8 (16)	3.2 GHz	3.7 GHz		8 x 256 KB	20MB				$1089
		Core i7-6850K^[42]	6 (12)	3.6 GHz	3.8 GHz		6 x 256 KB	15MB				$617
		Core i7-6800K^[43]	6 (12)	3.4 GHz	3.6 GHz		6 x 256 KB	15MB	28× PCIe3.0			$434

¹ The X79 chipset allows for increasing the base clock (BCLK), Intel calls it CPU Strap, by 1.00×, 1.25×, 1.66× or 2.50×. The CPU frequency is derived by the BCLK times the CPU multiplier.

Server processors

Server processors compatible with LGA 2011 socket are Sandy Bridge-EP, Ivy Bridge-E, Haswell-E and Broadwell-E.

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, AES-NI, Smart Cache. Not all support Hyper-threading and Turbo Boost.

Sandy Bridge-EP (Xeon E5)

Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Release date	Price (USD)
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Release date	Price (USD)
Up to 4× LGA 2011	Xeon E5	4650	8 (16)	20 MB	2.7 GHz	3.3 GHz	2× QPI DMI 2.0 40× PCI-E 3.0	Up to Quad-channel DDR3-1600	130W	2012-05-14	$3616
		4650L			2.6 GHz	3.1 GHz			115W		$3616
		4640			2.4 GHz	2.8 GHz			95W		$2725
		4620		16 MB	2.2 GHz	2.6 GHz		4× DDR3-1333	95W		$1611
		4617	6 (6)	15 MB	2.9 GHz	3.4 GHz		4× DDR3-1600	130W		$1611
		4610	6 (12)	15 MB	2.4 GHz	2.9 GHz		4× DDR3-1333	95W		$1219
		4607	6 (12)	12 MB	2.2 GHz	N/A		4× DDR3-1066			$885
		4603	4 (8)	10 MB	2.0 GHz	N/A		4× DDR3-1066			$551
Up to 2× LGA 2011	Xeon E5	2687W	8 (16)	20 MB	3.1 GHz	3.8 GHz		4× DDR3-1600	150W	2012-03-06	$1885
		2690			2.9 GHz	3.8 GHz			135W		$2057
		2680			2.7 GHz	3.5 GHz			130W		$1723
		2689			2.6 GHz	3.6 GHz			115W		OEM
		2670			2.6 GHz	3.3 GHz					$1552
		2665			2.4 GHz	3.1 GHz					$1440
		2660			2.2 GHz	3.0 GHz			95W		$1329
		2658			2.1 GHz	2.4 GHz					$1186
		2650			2.0 GHz	2.8 GHz					$1107
		2650L			1.8 GHz	2.3 GHz			70W		$1107
		2648L			1.8 GHz	2.1 GHz			70W		$1186
		2667	6 (12)	15 MB	2.9 GHz	3.5 GHz			130W		$1552
		2640			2.5 GHz	3.0 GHz		4× DDR3-1333	95W		$884
		2630			2.3 GHz	2.8 GHz					$612
		2620			2.0 GHz	2.5 GHz					$406
		2630L			2.0 GHz	2.5 GHz			60W		$662
		2628L			1.8 GHz	N/A			60W		OEM
		2643	4 (8)	10 MB	3.3 GHz	3.5 GHz		4× DDR3-1600	130W		$884
		2618L	4 (8)		1.8 GHz	N/A		4× DDR3-1066	50W		OEM
		2609	4 (4)		2.4 GHz				80W		$246
		2603	4 (4)		1.8 GHz						$202
		2637	2 (4)	5 MB	3.0 GHz	3.5 GHz		4× DDR3-1600			$884
LGA 2011	Xeon E5	1660	6 (12)	15 MB	3.3 GHz	3.9 GHz			130W		$1080
		1650	6 (12)	12 MB	3.2 GHz	3.8 GHz					$583
		1620	4 (8)	10 MB	3.6 GHz	3.8 GHz					$294
		1607	4 (4)		3.0 GHz	N/A		4× DDR3-1066			$244
		1603	4 (4)		2.8 GHz	N/A		4× DDR3-1066			$198

Ivy Bridge-EP (Xeon E5 v2)

Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Release date	Price (USD)
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Release date	Price (USD)
Up to 2 × LGA 2011	Xeon E5	2697 v2	12 (24)	30MB	2.7 GHz	3.5 GHz	2× 8.0GT/s QPI DMI 2.0 40× PCIe 3.0	4× DDR3-1866	130W	2013-09-10	$2614
		2696 v2			2.5 GHz	3.5 GHz			120W		OEM
		2695 v2			2.4 GHz	3.2 GHz			115W		$2336
		2692 v2			2.2 GHz	3.0 GHz			115W	2013-06	Tianhe-2 OEM
		2651 v2			1.8 GHz	2.2 GHz		4× DDR3-1600	105W	2013 Q4	OEM
		2690 v2	10 (20)	25MB	3.0 GHz	3.6 GHz		4× DDR3-1866	130W	2013-09-10	$2057
		2680 v2			2.8 GHz	3.6 GHz			115W		$1723
		2670 v2			2.5 GHz	3.3 GHz			115W		$1552
		2660 v2			2.2 GHz	3.0 GHz			95W		$1389
		2658 v2			2.4 GHz	3.0 GHz			95W		$1440
		2650L v2			1.7 GHz	2.1 GHz			70W		$1219
		2648L v2			1.9 GHz	2.5 GHz		4× DDR3-1866	70W		$1218
		2687W v2	8 (16)		3.4 GHz	4.0 GHz		4× DDR3-1866	150W		$2108
		2673 v2			3.3 GHz	4.0 GHz			110W	2013-12	N/A
		2667 v2			3.3 GHz	4.0 GHz			130W	2013-09-10	$2057
		2650 v2		20MB	2.6 GHz	3.4 GHz			95W		$1166
		2640 v2			2.0 GHz	2.5 GHz	2× 7.2GT/s QPI	4× DDR3-1600	95W		$885
		2628L v2			1.9 GHz	2.4 GHz	2× 7.2GT/s QPI	4× DDR3-1600	70W		$1000
		2643 v2	6 (12)	25MB	3.5 GHz	3.8 GHz	2× 8.0GT/s QPI	4× DDR3-1866	130W		$1552
		2630 v2		15MB	2.6 GHz	3.1 GHz	2× 7.2GT/s QPI	4× DDR3-1600	80W		$612
		2620 v2			2.1 GHz	2.6 GHz			80W		$406
		2630L v2			2.4 GHz	2.8 GHz			60W		$612
		2618L v2			2.0 GHz	N/A	2× 6.4GT/s QPI	4× DDR3-1333	50W		$520
		2637 v2	4 (8)		3.5 GHz	3.8 GHz	2× 8.0GT/s QPI	4× DDR3-1866	130W		$996
		2609 v2	4 (4)	10MB	2.5 GHz	N/A	2× 6.4GT/s QPI	4× DDR3-1333	80W		$294
		2603 v2	4 (4)	10MB	1.8 GHz	N/A	2× 6.4GT/s QPI	4× DDR3-1333	80W		$202
LGA 2011	Xeon E5	1680 v2	8 (16)	25MB	3.0 GHz	3.9 GHz	DMI 2.0 40× PCI-E 3.0	4× DDR3-1866	130W		$1723
		1660 v2	6 (12)	15MB	3.7 GHz	4.0 GHz					$1083
		1650 v2	6 (12)	12MB	3.5 GHz	3.9 GHz					$583
		1620 v2	4 (8)	10MB	3.7 GHz	3.9 GHz					$294
		1607 v2	4 (4)	10MB	3.0 GHz	N/A		4× DDR3-1600			$244

Ivy Bridge-EX (Xeon E7 v2)

All processors are released on February 18, 2014, unless noted otherwise.

Socket	Model		Cores (threads)	CPU clock rate		L3 Cache	Interface	Supported memory	TDP	Price (USD)
Socket	Model		Cores (threads)	Base	Turbo	L3 Cache	Interface	Supported memory	TDP	Price (USD)
Up to 8 × LGA 2011-1	Xeon E7	8895 v2	15 (30)	2.8 GHz	3.6 GHz	37.5MB	3× 8.0GT/s QPI 32× PCIe 3.0	4× DDR3-1600	155W	Oracle OEM
		8890 v2		2.8 GHz	3.4 GHz				155W	$6841
		8880 v2		2.5 GHz	3.1 GHz				130W	$5729
		8870 v2		2.3 GHz	2.9 GHz				130W	$4616
		8880L v2		2.2 GHz	2.8 GHz	30MB			105W	$5729
		8857 v2	12 (24)	3.0 GHz	3.6 GHz	30MB			130W	$3838
		8850 v2	12 (12)	2.3 GHz	2.8 GHz	24MB			105W	$3059
		8891 v2	10 (20)	3.2 GHz	3.7 GHz	37.5MB			155W	$6841
		8893 v2	6 (12)	3.4 GHz	3.7 GHz	37.5MB			155W	$6841
Up to 4× LGA 2011-1	Xeon E7	4890 v2	15 (30)	2.8 GHz	3.4 GHz	37.5MB			155W	$6619
		4880 v2		2.5 GHz	3.1 GHz	37.5MB			130W	$5506
		4870 v2		2.3 GHz	2.9 GHz	30MB				$4394
		4860 v2	12 (24)	2.6 GHz	3.2 GHz	30MB				$3838
		4850 v2	12 (24)	2.3 GHz	2.8 GHz	24MB	3× 7.2GT/s QPI		105W	$2837
		4830 v2	10 (20)	2.2 GHz	2.7 GHz	20MB				$2059
		4820 v2	8 (16)	2.0 GHz	2.5 GHz	16MB				$1446
		4809 v2	6 (12)	1.9 GHz	N/A	12MB	3× 6.4GT/s QPI	4× DDR3-1333		$1223
Up to 2× LGA 2011-1	Xeon E7	2890 v2	15 (30)	2.8 GHz	3.4 GHz	37.5MB	3× 8.0GT/s QPI	4× DDR3-1600	155W	$6451
		2880 v2		2.5 GHz	3.1 GHz	37.5MB			130W	$5339
		2870 v2		2.3 GHz	2.9 GHz	30MB			130W	$4227
		2850 v2	12 (24)	2.3 GHz	2.8 GHz	24MB	3× 7.2GT/s QPI		105W	$2558

Haswell-EP (Xeon E5 v3)

Server processors for the LGA 2011-v3 socket are listed in the tables below.^[44] As one of the significant changes from the previous generation, they support DDR4 memory. All processors are released on September 8, 2014, unless noted otherwise.


Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Price (USD)
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Price (USD)
Up to 4× LGA 2011-v3	Xeon E5	4669 v3	18 (36)	45MB	2.1 GHz	2.9 GHz	2× 9.6GT/s QPI 40× PCIe 3.0	4× DDR4-2133	135W	$7007
		4667 v3	16 (32)	40MB	2.0 GHz				135W	$5729
		4660 v3	14 (28)	35MB	2.1 GHz				120W	$4727
		4650 v3	12 (24)	30MB	2.1 GHz	2.8 GHz			105W	$2838
		4640 v3			1.9 GHz	2.6 GHz	2× 8.0GT/s QPI 40× PCIe 3.0	4× DDR4-1866		$2859
		4648 v3			1.7 GHz	2.2 GHz		4× DDR4-1866		$2405
		4627 v3	10 (10)	25MB	2.6 GHz	3.2 GHz		4× DDR4-2133	135W	$2225
		4627 v3	10 (20)		2.6 GHz	3.2 GHz		4× DDR4-2133	135W	$2225
		4620 v3			2.0 GHz	2.6 GHz		4× DDR4-1866	105W	$1668
		4610 v3			1.7 GHz	N/A	2× 6.4GT/s QPI	4× DDR4-1600	105W	$1219
		4655 v3	6 (12)	20MB	2.9 GHz	3.1 GHz	2× 9.6GT/s QPI	4× DDR4-2133	135W	$4616
Up to 2× LGA 2011-v3	Xeon E5	2699 v3	18 (36)	45MB	2.3 GHz	3.6 GHz	2× 9.6GT/s QPI 40× PCIe 3.0	4× DDR4-2133	145W	$4115
		2698 v3	16 (32)	40MB	2.3 GHz	3.6 GHz			135W	$3226
		2697 v3	14 (28)	35MB	2.6 GHz	3.6 GHz			145W	$2702
		2695 v3			2.3 GHz	3.3 GHz			120W	$2424
		2683 v3			2.0 GHz	3.0 GHz			120W	$1846
		2690 v3	12 (24)	30MB	2.6 GHz	3.5 GHz			135W	$2090
		2680 v3			2.5 GHz	3.3 GHz			120W	$1745
		2670 v3			2.3 GHz	3.1 GHz			120W	$1589
		2658 v3			2.2 GHz	2.9 GHz			105W	$1832
		2650L v3			1.8 GHz	2.5 GHz			65W	$1329
		2648L v3			1.8 GHz	2.5 GHz			75W	$1544
		2687W v3	10 (20)	25MB	3.1 GHz	3.5 GHz			160W	$2141
		2660 v3			2.6 GHz	3.3 GHz			105W	$1445
		2650 v3			2.3 GHz	3.0 GHz			105W	$1166
		2628L v3		25MB	2.0 GHz	2.5 GHz		4× DDR4-1866	75W	$1364
		2640 v3	8 (16)		2.6 GHz	3.4 GHz	2× 8.0GT/s QPI 40× PCIe 3.0		90W	$939
		2630 v3			2.4 GHz	3.2 GHz			85W	$667
		2630L v3			1.8 GHz	2.9 GHz			55W	$612
		2618L v3			2.3 GHz	3.4 GHz			75W	$779
		2620 v3	6 (12)	15MB	2.4 GHz	3.2 GHz			85W	$417
		2608L v3	6 (12)		2.0 GHz	N/A	2× 6.4GT/s QPI 40× PCIe 3.0			$441
		2609 v3	6 (6)		1.9 GHz			4× DDR4-1600		$306
		2603 v3	6 (6)		1.6 GHz			4× DDR4-1600		$213
LGA 2011-v3	Xeon E5	1680 v3	8 (16)	20MB	3.2 GHz	3.8 GHz	40× PCIe 3.0	4× DDR4-2133	140W	$1723
		1660 v3	8 (16)	20MB	3.0 GHz	3.5 GHz				$1080
		1650 v3	6 (12)	15MB	3.5 GHz	3.8 GHz				$583
		1630 v3	4 (8)	10MB	3.7 GHz	3.8 GHz				$372
		1620 v3	4 (8)		3.5 GHz	3.6 GHz				$294
		1607 v3	4 (4)		3.1 GHz	N/A		4× DDR4-1866		$225
		1603 v3	4 (4)		2.8 GHz	N/A		4× DDR4-1866		$202

High Frequency Optimized
Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Price (USD)
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Price (USD)
Up to 2× LGA 2011-v3	Xeon E5	2667 v3	8 (16)	20 MB	3.2 GHz	3.6 GHz	2× 9.6GT/s QPI 40× PCIe 3.0	4× DDR4-2133	135W	$2057
		2643 v3	6 (12)	20 MB	3.4 GHz	3.7 GHz				$1552
		2637 v3	4 (8)	15 MB	3.5 GHz	3.7 GHz				$996
		2623 v3	4 (8)	10 MB	3.0 GHz	3.5 GHz	2× 8.0GT/s QPI	4× DDR4-1866	105W	$444

OEM
Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Release date	Known Client
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Release date	Known Client
Up to 2× LGA 2011-v3	Xeon E5	2696 v3	18 (36)	45MB	2.3 GHz	3.8 GHz	2× 9.6GT/s QPI 40× PCIe 3.0	4× DDR4-2133	145W	2014-09-08	–
		2686 v3	18 (36)	45MB	2.0 GHz	3.5 GHz			120W	2014-09-08	–
		2698A v3	16 (32)	40MB	2.8 GHz	3.2 GHz			165W	2014-11-18	Lenovo
		2698B v3			2.0 GHz	3.4 GHz			135W	2015-01	Microsoft
		2675 v3			1.8 GHz	2.3 GHz			110W	2014-09-08	–
		2692 v3	12 (24)	30MB	3.0 GHz	3.6 GHz			165W	2014-09-08	Microsoft
		2678 v3			2.5 GHz	3.3 GHz			120W	2015-06	–
		2676 v3			2.4 GHz	3.1 GHz			120W	2015-06	Amazon
		2673 v3			2.4 GHz	3.1 GHz			105W	2014-09-08	Microsoft^[45]
		2669 v3			2.3 GHz	3.1 GHz			120W	2014-09-08	–
		2666 v3	10 (20)	25MB	2.9 GHz	3.5 GHz			135W	2014-11-13	Amazon
		2652 v3			2.3 GHz	2.8 GHz			105W	2014-09-08	–
		2649 v3			2.3 GHz	3.0 GHz
		2663 v3	10 (10)		2.8 GHz	3.5 GHz
		2628 v3	8 (16)	20MB	2.5 GHz	3.0 GHz			85W
		2629 v3			2.4 GHz	3.2 GHz	2× 8.0GT/s QPI 40× PCIe 3.0	4× DDR4-1866
		2622 v3			2.4 GHz	3.4 GHz	2× 8.0GT/s QPI 40× PCIe 3.0	4× DDR4-1866
LGA 2011-v3		1691 v3	14 (28)	35MB	2.5 GHz	3.4 GHz	40× PCIe 3.0	4× DDR4-2133	135W
		1686 v3	12 (24)	30MB	2.6 GHz	3.2 GHz
		1681 v3	10 (20)	25MB	2.9 GHz	3.5 GHz

Haswell-EX (Xeon E7 v3)

Socket LGA 2011-1 is used for Ivy Bridge-EX (Xeon E7 v2) and Haswell-EX (Xeon E7 V3) CPUs, which were released in February 2014 and May 2015, respectively. All processors are released on May 6, 2015, unless noted otherwise.

Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Price (USD)
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Price (USD)
Up to 8× LGA 2011-1	Xeon E7	8895 v3	18 (36)	45MB	2.6 GHz	3.5 GHz	3× 9.6GT/s QPI 32× PCIe 3.0	4× DDR4-1866 / 4x DDR3-1600	175W	Oracle OEM
		8890 v3			2.5 GHz	3.3 GHz			165W	$7174
		8880 v3			2.3 GHz	3.1 GHz			140W	$6063
		8870 v3			2.1 GHz	2.9 GHz			140W	$5895
		8880L v3			2.0 GHz	2.8 GHz			115W	$4672
		8867 v3	16 (32)		2.5 GHz	3.3 GHz			165W	$4672
		8860 v3	16 (32)	40MB	2.2 GHz	3.2 GHz			140W	$4061
		8891 v3	10 (20)	45MB	2.8 GHz	3.5 GHz			165W	$6841
		8893 v3	4 (8)	45MB	3.2 GHz	3.5 GHz			140W	$6841
Up to 4× LGA 2011-v3		4850 v3	14 (28)	35MB	2.2 GHz	2.8 GHz	3× 8.0GT/s QPI 32× PCIe 3.0		115W	$3003
		4830 v3	12 (24)	30MB	2.1 GHz	2.7 GHz	3× 8.0GT/s QPI 32× PCIe 3.0			$2170
		4820 v3	10 (20)	25MB	1.9 GHz	N/A	3× 6.4GT/s QPI 32× PCIe 3.0			$1502
		4809 v3	8 (16)	20MB	2.0 GHz	N/A	3× 6.4GT/s QPI 32× PCIe 3.0			$1223

Broadwell-EP (Xeon E5 v4)

Server processors for the LGA 2011-v3 socket are listed in the tables below. These processors are built on Broadwell-E architecture, 14nM lithography, 4-channel DDR4 ECC with up to 1.5TB and 40-lanes of PCI Express 3.0. E5-16xx v4 do not have QPI links. E5-26xx v4 and E5-46xx v4 processors have 2 QPI links.


Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Price (USD)
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Price (USD)
Up to 4× LGA 2011-v3	Xeon E5	4669 v4	22 (44)	55MB	2.2 GHz	3.0 GHz	2× 9.6GT/s QPI 40× PCIe 3.0	4× DDR4	135W	$7007
		4667 v4	18 (36)	45MB					135W	$5729
		4660 v4	16 (32)	40MB					120W	$4727
		4650 v4	14 (28)	35MB		2.8 GHz			105W	$3838
		4655 v4	8 (16)	30MB	2.5 GHz	3.2 GHz			135W	$4616
		4628L v4	14 (28)	35MB	1.8 GHz	2.2 GHz	2× 8.0GT/s QPI 40× PCIe 3.0		75W	$2535
		4640 v4	12 (24)	30MB	2.1 GHz	2.6 GHz			105W	$2837
		4620 v4	10 (20)	25MB	2.1 GHz	2.6 GHz				$1668
		4627 v4	10 (20)	25MB	1.8 GHz	N/A	2× 6.4GT/s QPI			$1219
		4627 v4	10 (10)	25MB	2.6 GHz	3.2 GHz	2× 8.0GT/s QPI		135W	$2225
Up to 2× LGA 2011-v3	Xeon E5	2699A v4	22 (44)	55MB	2.4 GHz	3.6 GHz	2× 9.6GT/s QPI 40× PCIe 3.0	4× DDR4-2400	145W	$4938
		2699 v4			2.2 GHz					$4115
		2699R v4								$4560
		2698 v4	20 (40)	50MB					135W	$3226
		2697 v4	18 (36)	45MB	2.3 GHz	3.6 GHz			145W	$2702
		2695 v4	18 (36)	45MB	2.1 GHz	3.3 GHz			120W	$2424
		2697A v4	16 (32)	40MB	2.6 GHz	3.6 GHz			145W	$2891
		2683 v4	16 (32)	40MB	2.1 GHz	3.0 GHz			120W	$1846
		2690 v4	14 (28)	35MB	2.6 GHz	3.5 GHz			135W	$2090
		2680 v4			2.4 GHz	3.3 GHz			120W	$1745
		2660 v4			2.0 GHz	3.2 GHz			105W	$1445
		2658 v4			2.3 GHz	2.8 GHz			105W	$1832
		2648L v4			1.8 GHz	2.5 GHz			75W	$1544
		2650L v4			1.7 GHz	2.5 GHz			65W	$1329
		2687W v4	12 (24)	30MB	3.0 GHz	3.5 GHz			160W	$2141
		2650 v4			2.2 GHz	2.9 GHz			105W	$1166
		2628L v4			1.9 GHz	2.4 GHz	2× 8.0GT/s QPI 40× PCIe 3.0	4× DDR4-2133	75W	$1364
		2640 v4	10 (20)	25MB	2.4 GHz	3.4 GHz			90W	$939
		2630 v4			2.2 GHz	3.1 GHz			85W	$667
		2618L v4			2.2 GHz	3.2 GHz			75W	$779
		2630L v4			1.8 GHz	2.9 GHz			55W	$612
		2620 v4	8 (16)	20MB	2.1 GHz	3.0 GHz			85W	$417
		2608L v4	8 (16)		1.6 GHz	1.7 GHz	2× 6.4GT/s QPI 40× PCIe 3.0	4× DDR4-1866	50W	$363
		2609 v4	8 (8)		1.7 GHz	N/A			85W	$306
		2603 v4	6 (6)	15MB	1.7 GHz	N/A				$213
		2623 v4	4 (8)	10MB	2.6 GHz	3.2 GHz	2× 8.0GT/s QPI	4× DDR4-2133		$444
LGA 2011-v3	Xeon E5	1680 v4	8 (16)	20MB	3.4 GHz	4.0 GHz	40× PCIe 3.0	4× DDR4-2400	140W	$1723
		1660 v4	8 (16)	20MB	3.2 GHz	3.8 GHz				$1113
		1650 v4	6 (12)	15MB	3.6 GHz	4.0 GHz				$617
		1630 v4	4 (8)	10MB	3.7 GHz	4.0 GHz				$406
		1620 v4	4 (8)	10MB	3.5 GHz	3.8 GHz				$294

High Frequency Optimized
Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Price (USD)
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Price (USD)
Up to 2× LGA 2011-v3	Xeon E5	2689 v4	10 (20)	25 MB	3.1 GHz	3.8 GHz	2× 9.6GT/s QPI 40× PCIe 3.0	4× DDR4-2400	165W	$2723
		2667 v4	8 (16)	25 MB	3.2 GHz	3.6 GHz			135W	$2057
		2643 v4	6 (12)	20 MB	3.4 GHz	3.7 GHz				$1552
		2637 v4	4 (8)	15 MB	3.5 GHz	3.7 GHz				$996

OEM
Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Known Client
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Known Client
Up to 2× LGA 2011-v3	Xeon E5	2699P v4	22 (44)	55MB	3.0 GHz	3.6 GHz	2× 9.6GT/s QPI 40× PCIe 3.0		300W
		2699C v4	22 (44)	55MB	2.2 GHz	2.4 GHz		4× DDR4-1600/1866/2133/2400	145W
		2696 v4	22 (44)	55MB	2.2 GHz	3.7 GHz?			150W?
		2679 v4	20 (40)	50MB	2.5 GHz	3.3 GHz			145W
		2673 v4	20 (40)	50MB	2.3 GHz	3.3 GHz			135W?
		2686 v4	18 (36)	45MB	2.3 GHz	3.0 GHz			145W
		2682 v4	16 (32)	40MB	2.5 GHz	3.0 GHz			120W
		2676 v4	16 (32)	40MB	2.4 GHz	3.0 GHz			145W
		AWS-1100	16 (32)	40MB	2.4 GHz	3.0 GHz				Amazon
		2666 v4	12 (24)	30MB	2.8 GHz	3.4 GHz				Amazon
		2689A v4	8 (16)	20MB	3.4 GHz	3.6 GHz
Upto 1x LGA 2011-v3		1607 v4	4 (4)	10 MB	3.1 GHz	N/A	40× PCIe 3.0	4× DDR4-1600/1866/2133	140 W
Upto 1x LGA 2011-v3		1603 v4	4 (4)	10 MB	2.8 GHz	N/A	40× PCIe 3.0	4× DDR4-1600/1866/2133	140 W

Broadwell-EX (Xeon E7 v4)

Socket	Model		Cores (threads)	L3 Cache	CPU clock rate		Interface	Supported memory	TDP	Release date	Price (USD)
Socket	Model		Cores (threads)	L3 Cache	Base	Turbo	Interface	Supported memory	TDP	Release date	Price (USD)
Up to 8× LGA 2011-1	Xeon E7	8894 v4	24	60MB	2.4 GHz	3.4 GHz	3× 9.6 GT/s QPI 32× PCIe 3.0	4× DDR4-1866 / 4x DDR3-1600	165W	February 9, 2017	$8898
		8890 v4	24	60MB	2.2 GHz	3.4 GHz			165W	June 6, 2016	$7174
		8880 v4	22	55MB	2.2 GHz	3.3 GHz			150W		$5895
		8870 v4	20	50MB	2.1 GHz	3.0 GHz			140W		$4672
		8860 v4	18	45MB	2.2 GHz	3.2 GHz			140W		$4061
		8867 v4	18	45MB	2.4 GHz	3.3 GHz			165W		$4672
		8891 v4	10	60MB	2.8 GHz	3.5 GHz			165W		$6841
		8893 v4	4	60MB	3.2 GHz	3.5 GHz			140W		$6841
Up to 4× LGA 2011-1		4850 v4	16	40MB	2.1 GHz	2.8 GHz	3× 8.0 GT/s QPI 32× PCIe 3.0		115W		$3003
		4830 v4	14	35MB	2 GHz	2.8 GHz	3× 8.0 GT/s QPI 32× PCIe 3.0				$2170
		4820 v4	10	25MB	2 GHz	N/A	3× 6.4 GT/s QPI				$1502

References

^ Kanter, David (September 25, 2010). "Intel's Sandy Bridge Microarchitecture". Real World Technologies. Retrieved August 22, 2011.
^ Hagedoom, Hilbert (September 27, 2011). "Sandy Bridge-E and X79 preview". The Guru of 3D. Retrieved September 28, 2011.
^ "Intel Core i7 Processor Family LGA-2011 Socket Datasheet, Vol. 1". Intel.
^ "Intel Look Inside: Xeon E5 v3 (Grantley) Launch" (PDF). Intel. September 2014. pp. 7, 21, 23. Retrieved March 26, 2015.
^ "Socket 2011 Futures: A Difficult Road to Perfection by". VR Zone. July 30, 2011. Archived from the original on October 2, 2011. Retrieved August 22, 2011.
^ ^a ^b "Intel Xeon Processor E7-2800/4800/8800 v2 Product Family Thermal/Mechanical Specifications and Design Guide" (PDF). Intel. February 2014. pp. 17–18, 81. Retrieved August 23, 2014.
^ ^a ^b "Intel Core i7 Processor Family for LGA2011-v3 Socket: Datasheet, Volume 1 of 2" (PDF). Intel. August 2014. Retrieved August 31, 2014.
^ ^a ^b Cutress, Ian (February 20, 2014). "Intel's Three Versions of Socket 2011, Not Compatible". AnandTech. Retrieved August 26, 2014.
^ "Intel Core i7 Processor Families for the LGA2011-0 Socket: Thermal Mechanical Specification and Design Guide" (PDF). Intel. November 2012. pp. 26, 31. Retrieved June 14, 2014.
^ "Processors Intel Haswell-E and LGA2011 platform-3 Overview". Extreme Spec. June 17, 2013. Archived from the original on August 24, 2014. Retrieved June 14, 2014.
^ ^a ^b "Intel Xeon Processor E5 1600/2600/4600 Product Families Thermal / Mechanical Design Guide" (PDF). Intel. September 4, 2012. Retrieved September 4, 2012.
^ "Intel Core i7 Processor Families for the LGA2011-0 Socket, Mechanical Drawings" (PDF). Intel. pp. 108–114.
^ Kennedy, Patrick (December 6, 2012). "Narrow ILM vs. Square ILM – LGA2011 Heatsink Differences". ServeTheHome. Retrieved December 2, 2014.
^ "Intel Socket LGA2011 CPU and Heatsinks". PC Stats. July 27, 2013. Retrieved November 14, 2022.
^ ^a ^b Prickett Morgan, Timothy (November 28, 2011). "Report: SAS controller bug holding up Xeon E5 launch". The Register. Retrieved November 14, 2022.
^ Angelini, Chris (March 6, 2012). "Intel C600 Chipset Family". Tom's Hardware. Retrieved November 14, 2022.
^ "X79 Express And Another New Processor Interface". Tom's Hardware. September 12, 2011. Retrieved September 12, 2011.
^ "Intel Ivy Bridge-E Slated For Q4 2012, Compatible with Sandy Bridge-E". VR Zone. November 18, 2011. Archived from the original on March 4, 2016. Retrieved November 18, 2011.
^ ^a ^b ^c ^d ^e ^f ^g ^h "Intel C600 Series Chipset and Intel X79 Express Chipset Datasheet" (PDF). Intel. March 2013. Retrieved November 14, 2022.
^ ^a ^b Angelini, Chris (November 14, 2011). "Intel Core i7-3960X Review: Sandy Bridge-E And X79 Express". Tom's Hardware. Retrieved November 14, 2022.
^ Mujtaba, Hassan (November 12, 2011). "Intel Sandy Bridge-E "Core i7 3960X" Benchmarks and Slides Unveiled". Wccftech. Retrieved November 12, 2011.
^ "Intel Xeon Processor E5 v2 Family: Datasheet, Vol. 1". Intel.
^ Nita, Sorin (December 12, 2011). "Intel Core i7-3960X and i7-3930K CPUs to Reach C2 Stepping in January 2012". Softpedia. Retrieved January 4, 2012.
^ Portnoy, Sean (September 13, 2011). "IDF: Intel shows off liquid cooler, DX79SI motherboard for Sandy Bridge-E processors". ZDNet. Archived from the original on October 1, 2011. Retrieved September 15, 2011.
^ Ring, Matt (April 21, 2011). "Intel Roadmap Leaked: Sandy Bridge Enthusiast Specs". Overclockers. Retrieved August 22, 2011.
^ "Intel's Sandy Bridge-E priced, don't expect any surprises". VR Zone. August 15, 2011. Archived from the original on September 25, 2011. Retrieved August 22, 2011.
^ "ARK – Intel Core i7-3970X Processor (15M Cache, up to 3.50 GHz)". Intel. Retrieved November 14, 2022.
^ "ARK – Intel Core i7-3960X Processor (15M Cache, up to 3.30 GHz)". Intel ARK (Product Specs).
^ ^a ^b "Intel Sandy Bridge-E "Core i7 3960X" benchmarks and slides unveiled". Wccftech.com. November 12, 2011. Retrieved January 4, 2012.
^ "ARK – Intel Core i7-3930K Processor (12M Cache, up to 3.20 GHz)". Intel ARK (Product Specs).
^ "ARK – Intel Core i7-3820 Processor (10M Cache, up to 3.60 GHz)". Intel ARK (Product Specs).
^ "Intel Core i7 3820 Review: $285 Quad-Core Sandy Bridge E". AnandTech. December 29, 2011. Retrieved January 4, 2012.
^ "ARK – Intel Core i7-4960X Processor (15M Cache, up to 3.6 GHz)". Intel ARK (Product Specs).
^ ^a ^b ^c "Report: Ivy Bridge-E processors to start at $310". Tech Report. August 2013.
^ "ARK – Intel Core i7-4930K Processor (12M Cache, up to 3.4 GHz)". Intel. Retrieved November 14, 2022.
^ "ARK – Intel Core i7-4820K Processor (10M Cache, up to 3.70 GHz)". Intel ARK (Product Specs).
^ "ARK – Intel Core i7-5960X Processor Extreme Edition (20M Cache, up to 3.50 GHz)". Intel ARK (Product Specs).
^ "ARK – Intel Core i7-5930K Processor (15M Cache, up to 3.70 GHz)". Intel. Retrieved November 14, 2022.
^ "ARK – Intel Core i7-5820K Processor (15M Cache, up to 3.60 GHz)". Intel ARK (Product Specs).
^ "Intel® Core™ i7-6950X Processor Extreme Edition (25M Cache, up to 3.50 GHz) Specifications". Intel. Retrieved June 2, 2016.
^ "Intel® Core™ i7-6900K Processor (20M Cache, up to 3.70 GHz) Specifications". Intel ARK (Product Specs). Retrieved June 2, 2016.
^ "Intel® Core™ i7-6850K Processor (15M Cache, up to 3.80 GHz) Specifications". Intel ARK (Product Specs). Retrieved June 2, 2016.
^ "Intel® Core™ i7-6800K Processor (15M Cache, up to 3.60 GHz) Specifications". Intel ARK (Product Specs). Retrieved June 2, 2016.
^ About the new Intel Xeon E5-2600v3 (Servermeile Wiki)
^ "New F-Series VM Sizes". azure.microsoft.com. Retrieved July 21, 2021.

[1] Kanter, David (September 25, 2010). "Intel's Sandy Bridge Microarchitecture". Real World Technologies. Retrieved August 22, 2011.

[2] Hagedoom, Hilbert (September 27, 2011). "Sandy Bridge-E and X79 preview". The Guru of 3D. Retrieved September 28, 2011.

[3] "Intel Core i7 Processor Family LGA-2011 Socket Datasheet, Vol. 1". Intel.

[4] "Intel Look Inside: Xeon E5 v3 (Grantley) Launch" (PDF). Intel. September 2014. pp. 7, 21, 23. Retrieved March 26, 2015.

[5] "Socket 2011 Futures: A Difficult Road to Perfection by". VR Zone. July 30, 2011. Archived from the original on October 2, 2011. Retrieved August 22, 2011.

[intel-xeon-e7-v2-6] "Intel Xeon Processor E7-2800/4800/8800 v2 Product Family Thermal/Mechanical Specifications and Design Guide" (PDF). Intel. February 2014. pp. 17–18, 81. Retrieved August 23, 2014.

[intel-core-i7-lga2011-v3-7] "Intel Core i7 Processor Family for LGA2011-v3 Socket: Datasheet, Volume 1 of 2" (PDF). Intel. August 2014. Retrieved August 31, 2014.

[anandtech-7773-8] Cutress, Ian (February 20, 2014). "Intel's Three Versions of Socket 2011, Not Compatible". AnandTech. Retrieved August 26, 2014.

[9] "Intel Core i7 Processor Families for the LGA2011-0 Socket: Thermal Mechanical Specification and Design Guide" (PDF). Intel. November 2012. pp. 26, 31. Retrieved June 14, 2014.

[10] "Processors Intel Haswell-E and LGA2011 platform-3 Overview". Extreme Spec. June 17, 2013. Archived from the original on August 24, 2014. Retrieved June 14, 2014.

[:0-11] "Intel Xeon Processor E5 1600/2600/4600 Product Families Thermal / Mechanical Design Guide" (PDF). Intel. September 4, 2012. Retrieved September 4, 2012.

[12] "Intel Core i7 Processor Families for the LGA2011-0 Socket, Mechanical Drawings" (PDF). Intel. pp. 108–114.

[13] Kennedy, Patrick (December 6, 2012). "Narrow ILM vs. Square ILM – LGA2011 Heatsink Differences". ServeTheHome. Retrieved December 2, 2014.

[14] "Intel Socket LGA2011 CPU and Heatsinks". PC Stats. July 27, 2013. Retrieved November 14, 2022.

[bug-15] Prickett Morgan, Timothy (November 28, 2011). "Report: SAS controller bug holding up Xeon E5 launch". The Register. Retrieved November 14, 2022.

[16] Angelini, Chris (March 6, 2012). "Intel C600 Chipset Family". Tom's Hardware. Retrieved November 14, 2022.

[latesttoms-17] "X79 Express And Another New Processor Interface". Tom's Hardware. September 12, 2011. Retrieved September 12, 2011.

[ivy-e-18] "Intel Ivy Bridge-E Slated For Q4 2012, Compatible with Sandy Bridge-E". VR Zone. November 18, 2011. Archived from the original on March 4, 2016. Retrieved November 18, 2011.

[C600Datasheet-19] ^ ^a ^b ^c ^d ^e ^f ^g ^h "Intel C600 Series Chipset and Intel X79 Express Chipset Datasheet" (PDF). Intel. March 2013. Retrieved November 14, 2022.

[NoUSB3-20] Angelini, Chris (November 14, 2011). "Intel Core i7-3960X Review: Sandy Bridge-E And X79 Express". Tom's Hardware. Retrieved November 14, 2022.

[SBE01-21] Mujtaba, Hassan (November 12, 2011). "Intel Sandy Bridge-E "Core i7 3960X" Benchmarks and Slides Unveiled". Wccftech. Retrieved November 12, 2011.

[E5v2Datasheet-22] "Intel Xeon Processor E5 v2 Family: Datasheet, Vol. 1". Intel.

[23] Nita, Sorin (December 12, 2011). "Intel Core i7-3960X and i7-3930K CPUs to Reach C2 Stepping in January 2012". Softpedia. Retrieved January 4, 2012.

[24] Portnoy, Sean (September 13, 2011). "IDF: Intel shows off liquid cooler, DX79SI motherboard for Sandy Bridge-E processors". ZDNet. Archived from the original on October 1, 2011. Retrieved September 15, 2011.

[25] Ring, Matt (April 21, 2011). "Intel Roadmap Leaked: Sandy Bridge Enthusiast Specs". Overclockers. Retrieved August 22, 2011.

[26] "Intel's Sandy Bridge-E priced, don't expect any surprises". VR Zone. August 15, 2011. Archived from the original on September 25, 2011. Retrieved August 22, 2011.

[27] "ARK – Intel Core i7-3970X Processor (15M Cache, up to 3.50 GHz)". Intel. Retrieved November 14, 2022.

[28] "ARK – Intel Core i7-3960X Processor (15M Cache, up to 3.30 GHz)". Intel ARK (Product Specs).

[wccftech1-29] "Intel Sandy Bridge-E "Core i7 3960X" benchmarks and slides unveiled". Wccftech.com. November 12, 2011. Retrieved January 4, 2012.

[30] "ARK – Intel Core i7-3930K Processor (12M Cache, up to 3.20 GHz)". Intel ARK (Product Specs).

[31] "ARK – Intel Core i7-3820 Processor (10M Cache, up to 3.60 GHz)". Intel ARK (Product Specs).

[32] "Intel Core i7 3820 Review: $285 Quad-Core Sandy Bridge E". AnandTech. December 29, 2011. Retrieved January 4, 2012.

[33] "ARK – Intel Core i7-4960X Processor (15M Cache, up to 3.6 GHz)". Intel ARK (Product Specs).

[techreport.com-34] "Report: Ivy Bridge-E processors to start at $310". Tech Report. August 2013.

[35] "ARK – Intel Core i7-4930K Processor (12M Cache, up to 3.4 GHz)". Intel. Retrieved November 14, 2022.

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