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]

LGA 4677
Release dateJanuary 10, 2023; 15 months ago (2023-01-10)
Designed byIntel
Manufactured byLotes
TypeLGA-ZIF
Chip form factorsFlip-chip
Contacts4677
FSB protocolPCI Express (PCIe)
Direct Media Interface (DMI)
Ultra Path Interconnect (UPI)
FSB frequency16 GT/s to 20 GT/s UPI
Processor dimensions77.5 mm x 56.5 mm
Processors
PredecessorLGA 4189
SuccessorLGA 7529
Memory supportDDR5 with ECC support

This article is part of the CPU socket series

Features edit

Chipsets edit

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
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 edit

References edit

  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. ^ Paul Alcorn (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.