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 C741 W790 Release date January 2023 March 2023 Price (USD) $70 $72 Overclocking Bus interface DMI 4.0 x8 DMI 4.0 x8 CPU support Sapphire Rapids-SP Emerald Rapids-SP Sapphire Rapids-WS Sapphire Rapids-64L Sapphire Rapids-112L Socket count 1s or 2S 1S Memory capacity Up to 4TB with one CPU or 8 TB with two CPUs Up to 2TB (on W-2400 models) Up to 4TB (on W-3400 models) ECC memory Maximum DIMM slots 16 (1 CPU) 32 (2 CPUs) 8 (W-2400)16 (W-3400) Maximum USB 2.0 ports 14 USB 3.2 ports configuration Gen 1 (5 Gbit/s) 10 10 Gen 2 x1 (10 Gbit/s) 10 x2 (20 Gbit/s) 5 Maximum SATA 3.0 ports 20 8 Processor PCI Express configuration 5.0 Up to 80 lanes Up to 112 lanes 4.0 colspan="2" PCH PCI Express configuration 4.0 16 3.0 20 12 Independent display support (digital ports/pipes) colspan="2" Wireless Integrated rowspan="2" Discrete PCIe RAID support colspan="2" rowspan="3" SATA RAID support Intel Optane Memory support Intel Smart Sound Technology Intel Active Management, Trusted Execution and vPro Technology colspan="2" Chipset TDP 11W 6W Chipset package size 22mm × 23mm 506mm2 28mm × 25mm 700mm2

See also List of Intel microprocessors List of Intel chipsets

References