Intel Xeon Gold 6454S socket: LGA 4677
The Intel Xeon Gold 6454S uses LGA 4677, the 4677-contact LGA socket for Sapphire Rapids server processors. The 32-core chip at 270 W needs a server board with DDR5 memory.
- Socket
- LGA 4677
- Launched
- January 2023
- Cores and threads
- 32 and 64
- Base power
- 270 W
- Codename
- Sapphire Rapids
- Segment
- Server
- Family
- Intel Xeon Gold
- Clocks
- 2.2 / 3.4 GHz
Intel Xeon Gold 6454S specifications
| Cores | 32 |
|---|---|
| Threads | 64 |
| Core architecture | Golden Cove (Sapphire Rapids) |
| Clocks | 2.2 GHz base, up to 3.4 GHz turbo |
| Cache | 60 MB Intel Smart Cache (L3) |
| Processor base power (TDP) | 270 W |
| Manufacturing process | Intel 7 |
| Memory support | DDR5 to 4800 MT/s, 8 channels |
| PCI Express | 80 PCIe Gen5 lanes with Flex Bus and CXL per CPU |
| UPI links | 4 at 16 GT/s |
| Multiplier | Locked |
| Package | LGA 4677 |
| Cooler in the box | None (server heatsink required) |
| Launch price | $3157.00 Intel recommended customer price |
Motherboard and chipset compatibility
Intel Xeon Gold 6454S needs a motherboard with a LGA 4677 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| W790 workstation | W790 | Works out of the box |
Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for LGA 4677.
LGA 4677 at a glance
| Type | LGA, 4,677 contacts |
|---|---|
| Package size | 77.5 × 56.5 mm |
| Introduced | 2023 |
| Memory | DDR5-4800 Registered DIMMs with ECC, 8 channels up to 4 TB on W-3500 and W-3400, 4 channels on W-2500 and W-2400 |
| Cooler mounting holes | Board specific (workstation heatsink) |
What the Xeon Gold 6454S is
The Xeon Gold 6454S is the 32-core single socket optimized Gold part of Sapphire Rapids server processors for LGA 4677 boards from the first quarter of 2023. Thirty-two Golden Cove cores with hyperthreading give 32 cores and 64 threads, with base at 2.2 GHz and up to 3.4 GHz turbo. The package carries 60 MB of Smart Cache. The 270 W envelope suits storage-rich single socket nodes with large memory footprints.
High threads with large cache suit software-defined storage and dense virtualization hosts that pack guests per socket. Eight channels of DDR5 feed 32 cores for consolidated duty. Eighty Gen5 lanes with Flex Bus and CXL serve HBAs and NVMe. Speed Select profiles tune cores for clocks within the SKU.
Storage buyers land here for 32 threads with 60 MB cache at 270 W. Dense VMs plus storage tasks fit well, while dual socket Gold parts suit larger fabrics. Server boards need C741 class chipsets with the Gold SKU on the CPU list, not W790 workstation boards. The Socket vs chipset: what decides whether a CPU works guide covers server board choice.
Socket and motherboard compatibility
The 6454S fits LGA 4677 on single socket server boards with LGA 4677 retention and server power delivery. Four UPI links exist on die, but the S suffix marks single socket optimized firmware. W790 workstation boards target W-series chips instead.
Server chipset choice decides management and IO breadth rather than CPU fit. Storage nodes pair this SKU with broad HBA wiring.
Memory, PCIe and cooling
DDR5 to 4800 MT/s in 8 channels feeds 32 cores for storage duty. Population with matched DIMMs holds rated speed.
Eighty Gen5 lanes with Flex Bus and CXL per CPU wire HBAs, accelerators and NVMe. Cooling is a 270 W server heatsink with front-to-back airflow.
Upgrade paths
On LGA 4677 single socket boards the 6454S already covers dense storage threads, so upgrades mean memory, HBAs and NVMe rather than more cores. Filling memory channels helps storage caches most.
Outside single-socket Gold, dual socket Gold on LGA 4677 adds sockets for larger fabrics.
Frequently asked questions
What socket does the Xeon Gold 6454S use?
LGA 4677 on single socket server boards.
What does S mean on the 6454S?
Single socket optimized firmware for storage-rich nodes, against dual socket capable Gold parts.
What is the launch price of the 6454S?
$3157.00 Intel recommended customer price.
What memory does the 6454S need?
DDR5 to 4800 MT/s in 8 channels.
Sources and verification
Facts last checked against these sources on . Page last edited on .