CPUServerReleased Apr 6, 2021

Intel Xeon Gold 5318S

24C/48T · 3.4 GHz · 165 W

A 24-core, 48-thread Xeon Gold from the third-generation Xeon Scalable (Ice Lake-SP) family, launched in April 2021. The S suffix denotes a model with a large Intel SGX enclave of 512 GB per processor for confidential-computing workloads, compared with 64 GB on standard Gold models. It runs at 2.1 GHz base and up to 3.4 GHz turbo in a 165 W TDP, with 36 MB of L3 cache, eight channels of DDR4-2933 memory and support for two sockets.

General

Manufacturer: Intel
Model: Intel Xeon Gold 5318S
Segment: Server
Generation: 3rd Gen Xeon Scalable (Ice Lake-SP)
Codename: Ice Lake-SP
Architecture: x86_64
Microarchitecture: Sunny Cove
Release date: Apr 6, 2021
Price: $1,945Search on Amazon

Cores & clocks

Cores / threads: 24 cores / 48 threads
Base clock: 2.10 GHz
Boost clock: 3.40 GHz
TDP (design W): 165 W
Unlocked: ✕ No
L2 cache: 30 MB
L3 cache: 36 MB
Technology (nm): 10 nm
10 nm

Platform

Socket: FCLGA4189
2-CPU (multi-socket): ✓ Yes
Up to 2 sockets
Integrated GPU: None
Memory type: DDR4-2933
8-channel
Memory size: Up to 6,144 GB
ECC memory: ✓ Yes
PCIe: PCIe 4.0 (64 lanes)

Instructions & AI

Instruction extensions: Intel SSE4.2Intel AVXIntel AVX2Intel AVX-512Intel DL Boost (VNNI)
NPU: None

OS support

Windows: Windows 10Windows 11 24H2Windows 11 25H2Windows 11 26H2
Linux: UbuntuFedoraArch Linux
Notes: Microsoft lists the 3rd Generation Intel Xeon Scalable family in the supported-processor lists for Windows 11 24H2 and 25H2 and for Windows 10 22H2; Microsoft has not published a separate 26H2 list, and the 25H2 entries still apply. Windows 11 additionally requires TPM 2.0 and UEFI Secure Boot on the platform. Server deployments normally run Windows Server or an enterprise Linux distribution.

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