LGA 4677 (Socket E) is a zero insertion force flip-chip land grid array (LGA) CPU socket designed by Intel, compatible with Sapphire Rapids server and workstation processors, which was released in January 2023.

Features

  • Support for PCI Express 5.0 and Direct Media Interface 4.0
  • Supports 8 channels of DDR5 RAM with error correction code support
  • Intel Smart Sound Technology that provides dedicated audio voice processing to support voice wake functions is currently available only on the W790 chipset.

Chipsets

Chipset
Release dateJanuary 2023March 2023
Price (USD)$70$72
OverclockingNoYes
Bus interfaceDMI 4.0 x8DMI 4.0 x8
CPU supportSapphire Rapids-SP Emerald Rapids-SPSapphire Rapids-WS Sapphire Rapids-64L Sapphire Rapids-112L
Socket count1s or 2S1S
Memory capacityUp to 4TB with one CPU or 8 TB with two CPUsUp to 2TB (on W-2400 models) Up to 4TB (on W-3400 models)
ECC memoryRDIMMRDIMM
Maximum DIMM slots16 (1 CPU) 32 (2 CPUs)8 (W-2400) 16 (W-3400)
Maximum USB 2.0 ports14
USB 3.2 ports configurationGen 1 (5 Gbit/s)1010
Gen 2x1 (10 Gbit/s)?10
x2 (20 Gbit/s)?5
Maximum SATA 3.0 ports208
Processor PCI Express configuration5.0Up to 80 lanesUp to 112 lanes
4.0—N/a
PCH PCI Express configuration4.0—N/a16
3.02012
Independent display support (digital ports/pipes)?
WirelessIntegratedNoIntel Wi-Fi 6E AX211 (Garfield Peak 2)
DiscreteIntel Wi-Fi 6E AX211 (Typhoon Peak 2)
PCIe RAID support?
SATA RAID support
Intel Optane Memory support
TechnologyNoYes
Intel Active Management, Trusted Execution and vPro TechnologyYes
Chipset TDP11W6W
Chipset package size22mm × 23mm 506mm228mm × 25mm 700mm2

See also