LGA 4677

LGA 4677
Release date	January 10, 2023
Designed by	Intel
Manufactured by	Lotes
Type	LGA-ZIF
Chip form factors	Flip-chip
Contacts	4677
FSB protocol	PCI Express ; Direct Media Interface ; Ultra Path Interconnect
FSB frequency	16 GT/s to 20 GT/s UPI
Processor dimensions	77.5 mm x 56.5 mm
Processors	Sapphire Rapids; Emerald Rapids;
Predecessor	LGA 4189
Successor	LGA 4710 ; LGA 7529
Memory support	DDR5 with ECC support
	This article is part of the CPU socket series

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.^[1]^[2]^[3]

Quick Facts Release date, Designed by ...

			Chipset
			C741	W790
Release date			January 2023	March 2023
Price (USD)			$70	$72
Overclocking			No	Yes
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 4 TB with one CPU or 8 TB with two CPUs	Up to 2 TB (on W-2400 models) Up to 4 TB (on W-3400 models)
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
	Gen 2	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
Processor PCI Express configuration		4.0	—
PCH PCI Express configuration		4.0	—	16
PCH PCI Express configuration		3.0	20	12
Independent display support (digital ports/pipes)			?
Wireless		Integrated	No	Intel Wi-Fi 6E AX211 (Garfield Peak 2)
Wireless		Discrete	No	Intel Wi-Fi 6E AX211 (Typhoon Peak 2)
PCIe RAID support			?
SATA RAID support
Intel Optane Memory support
Intel Smart Sound Technology			No	Yes
Intel Active Management, Trusted Execution and vPro Technology			Yes
Chipset TDP			11 W	6 W
Chipset package size			22 mm × 23 mm 506 mm²	28 mm × 25 mm 700 mm²

Features