LGA 1151
DDR4 | |
This article is part of the CPU socket series |
LGA 1151,
LGA 1151 is designed as a replacement for the
Most motherboards for the first revision of the socket support solely
Skylake, Kaby Lake, and Coffee Lake chipsets support
Skylake, Kaby Lake, and Coffee Lake chipsets do not support the legacy
Heatsink
The 4 holes for fastening the heatsink to the motherboard are placed in a square with a lateral length of 75 mm for Intel's sockets LGA 1156, LGA 1155, LGA 1150, LGA 1151 and LGA 1200. Cooling solutions should therefore be interchangeable.
LGA 1151 revision 1
DDR3 memory support
Intel officially states
Skylake chipsets (100 series and C230 series)
H110 | B150 | Q150 | H170 | C236 | Q170 | Z170 | |||
---|---|---|---|---|---|---|---|---|---|
Overclocking | CPU (via BCLK[14] only;[15] might be disabled in new motherboards and BIOS releases[16]) + GPU + RAM (limited) | CPU (multiplier + BCLK[14]) + GPU + RAM | |||||||
Kaby Lake CPUs support | Yes, after a BIOS update[17] | ||||||||
Coffee Lake CPUs support | No | ||||||||
Memory support | DDR4 (max. 32 GB total; 16 GB per slot) or | DDR4 (max. 64 GB total; 16 GB per slot) or | |||||||
Maximum DIMM slots | 2 | 4 | |||||||
Maximum USB ports | 2.0 | 6 | 4 | ||||||
3.0 | 4 | 6 | 8 | 10 | |||||
Maximum SATA 3.0 ports | 4 | 6 | 8 | 6 | |||||
Processor PCI Express v3.0 configuration | 1 ×16 | Either 1 ×16; 2 ×8; or 1 ×8 and 2 ×4 | |||||||
PCH PCI Express configuration | 6 × 2.0 | 8 × 3.0 | 10 × 3.0 | 16 × 3.0 | 20 × 3.0 | ||||
Independent Display Support (digital ports/pipes) |
3/2 | 3/3 | |||||||
SATA RAID 0/1/5/10 support | No | Yes | Intel Rapid Storage Technology Enterprise | Yes | |||||
Intel Active Management, Trusted Execution and vPro Technology | No | Yes | No | Yes | No | ||||
Chipset TDP | 6 W | ||||||||
Chipset lithography | 22 nm | ||||||||
Release date | September 1, 2015[21][22] | Q3'15[23] | September 1, 2015[21][22] | Q4'15[24] | September 1, 2015[21][22] | August 5, 2015[25] |
Kaby Lake chipsets (200 series)
There is no equivalent Kaby Lake chipset analogous to the H110 chipset. Four additional PCH PCI-E lanes in Kaby Lake chipsets are reserved for implementing an M.2 slot to support Intel Optane Memory. Otherwise, corresponding Kaby Lake and Skylake chipsets are practically the same.[26]
Light blue indicates a difference between comparable Skylake and Kaby Lake chipsets.
B250 | Q250 | H270 | Q270 | Z270 | ||
---|---|---|---|---|---|---|
Overclocking | No[27] | CPU (multiplier + BCLK[28]) + GPU + RAM | ||||
Skylake CPUs support | Yes | |||||
Coffee Lake CPUs support | No | |||||
Memory support | DDR4 (max. 64 GB total; 16 GB per slot) or | |||||
Maximum DIMM slots | 4 | |||||
Maximum USB ports | 2.0 | 6 | 4 | |||
3.0 | 6 | 8 | 10 | |||
Maximum SATA 3.0 ports | 6 | |||||
Processor PCI Express v3.0 configuration | 1 ×16 | Either 1 ×16; 2 ×8; or 1 ×8 and 2 ×4 | ||||
PCH PCI Express configuration | 12 × 3.0 | 14 × 3.0 | 20 × 3.0 | 24 × 3.0 | ||
Independent Display Support (digital ports/pipes) |
3/3 | |||||
SATA RAID 0/1/5/10 support | No | Yes | ||||
Intel Active Management, Trusted Execution and vPro Technology | No | Yes | No | |||
Intel Optane Memory Support | Yes, requires Core i3/i5/i7 CPU[30] | |||||
Chipset TDP | 6 W[31] | |||||
Chipset lithography | 22 nm[31] | |||||
Release date | January 3, 2017[32] |
LGA 1151 revision 2
Second revision of the LGA 1151 socket for Coffee Lake CPUs
The LGA 1151 socket was revised for the Coffee Lake generation CPUs and comes along with the Intel 300-series chipsets.[33] While physical dimensions remain unchanged, the updated socket reassigns some reserved pins, adding power and ground lines to support the requirements of 6-core and 8-core CPUs. The new socket also relocates the processor detection pin, breaking compatibility with earlier processors and motherboards. As a result, desktop Coffee Lake CPUs are officially not compatible with the 100 (original Skylake) and 200 (Kaby Lake) series chipsets.[34] Similarly, 300 series chipsets officially only support Coffee Lake and are not compatible with Skylake and Kaby Lake CPUs.
Socket 1151 rev 2 is sometimes also referred to as "1151-2".
Coffee Lake chipsets (300 series and C240 series)
Like with Kaby Lake chipsets, four additional PCH PCI-E lanes in Coffee Lake chipsets are reserved for implementing an M.2 slot to support Intel Optane Memory.
There's a 22 nm version of H310 chipset, H310C, which is sold only in China.[35] Motherboards based on this chipset support DDR3 memory as well.
H310 | B365 | B360 | H370 | C246 | Q370 | Z370 | Z390 | ||
---|---|---|---|---|---|---|---|---|---|
Overclocking | No | CPU (multiplier + BCLK[36]) + GPU + RAM | |||||||
Skylake/Kaby Lake CPUs support | No | ||||||||
Coffee Lake (8th gen) CPUs support | Yes | ||||||||
Coffee Lake Refresh (9th gen) CPUs support | Yes with BIOS update | Yes | Yes with BIOS update | Yes | |||||
Memory [DDR4]
by Coffee Lake generation |
8th gen | Max. 32 GB total; 16 GB per slot | Max. 64 GB total; 16 GB per slot | ||||||
9th gen | Max. 64 GB total; 32 GB per slot | Max. 128 GB total; 32 GB per slot[37] | |||||||
Maximum DIMM slots | 2 | 4 | |||||||
Maximum USB 2.0 ports | 10 | 14 | 12 | 14 | |||||
Maximum
USB 3.1 ports configuration |
Gen1 | 4 Ports | 8 Ports | 6 Ports | 8 Ports | 10 Ports | |||
Gen2 | N/A | Up to 4 Ports | Up to 6 Ports | N/A | Up to 6 Ports | ||||
Maximum SATA 3.0 ports | 4 | 6 | 8 | 6 | |||||
Processor PCI Express v3.0 configuration | 1 ×16 | Either 1 ×16; 2 ×8; or 1 ×8 and 2 ×4 | |||||||
PCH PCI Express configuration | 6 × 2.0 | 20 × 3.0 | 12 × 3.0 | 20 × 3.0 | 24 × 3.0 | ||||
Independent Display Support (digital ports/pipes) | 3/2 | 3/3 | |||||||
Integrated Wireless ( 802.11ac )
|
Yes** | No | Yes** | No | Yes** | ||||
SATA RAID 0/1/5/10 support | No | Yes | No | Yes | Intel Rapid Storage Technology Enterprise | Yes | |||
Intel Optane Memory Support | No | Yes, requires Core i3/i5/i7/i9 CPU | Yes, requires Core i3/i5/i7/i9 or Xeon E CPU | Yes, requires Core i3/i5/i7/i9 CPU | |||||
Intel Smart Sound Technology | No | Yes | |||||||
Chipset TDP | 6 W[38][39][40][41][42][43][44][45] | ||||||||
Chipset lithography | 14 nm[38] | 22 nm[39] | 14 nm[40][41][42][43] | 22 nm[44] | 14 nm[45] | ||||
Release date | April 2, 2018[46] | Q4'18 | April 2, 2018 | October 5, 2017[47] | October 8, 2018[48] |
** depends on OEM's implementation
See also
- List of Intel microprocessors
- List of Intel chipsets
References
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