LGA 4677

LGA 4677

Release date	January 10, 2023 (2023-01-10)
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]}

Features

• Support for PCI Express 5.0 ^[4] 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. ^[5]

Chipsets

			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)
ECC memory			No	RDIMM
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	—
PCH PCI Express configuration		4.0	—	16
		3.0	20	12
Independent display support (digital ports/pipes)			?
Wireless		Integrated	No	Intel Wi-Fi 6E AX211 (Garfield Peak 2)
		Discrete		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

See also

• List of Intel microprocessors
• List of Intel chipsets

References

1. Mujtaba, Hassan (April 23, 2022). "Next-Gen AMD SP5 For EPYC Genoa & Intel LGA 4677 For Xeon Sapphire Rapids-SP Server CPU Platform Pictured, Over 30 VRMs & 32 DDR5 DIMM Slots In Dual-Socket Config". Wccftech. Retrieved November 19, 2022.
2. "Intel 4th Gen Xeon "Sapphire Rapids" CPU for LGA4677-X socket pictured". VideoCardz. February 4, 2021. Retrieved November 19, 2022.
3. Alcorn, Paul (February 15, 2023). "Intel Launches Overclockable Xeon W CPUs up to 56 Cores: a Return to HEDT-Class Chips". Tom's Hardware. Retrieved March 18, 2023.
4. "Intel Xeon Sapphire Rapids CPUs with DDR5 memory have been tested in AIDA64". VideoCardz. February 12, 2022. Retrieved November 19, 2022.
5. "List of Socket E Motherboards for LGA4677 - C741 W790 Chipsets". Faces of IT. May 5, 2024. Retrieved September 11, 2024.