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Intel Xeon Platinum 8222L

18C/36T · 3.5 GHz · 200 W

An 18-core, 36-thread off-roadmap Xeon Platinum from the second-generation Xeon Scalable (Cascade Lake-SP) family, supplied to OEM customers rather than sold through Intel's public price list. It pairs a high 3.0 GHz base clock (3.4 GHz all-core turbo, 3.5 GHz maximum) with a large 24.75 MB L3 cache in a 200 W TDP; the L suffix denotes support for up to 4.5 TB of memory per socket.

General

Manufacturer: Intel
Model: Intel Xeon Platinum 8222L
Segment: Server
Generation: 2nd Gen Xeon Scalable (Cascade Lake-SP)
Codename: Cascade Lake-SP
Architecture: x86_64
Microarchitecture: Cascade Lake
Release date: —
Price: Search on Amazon

Cores & clocks

Cores / threads: 18 cores / 36 threads
Base clock: 3.00 GHz
Boost clock: 3.50 GHz
TDP (design W): 200 W
Unlocked: ✕ No
L2 cache: 18 MB
L3 cache: 24.8 MB
Technology (nm): 14 nm
14 nm

Platform

Socket: FCLGA3647
2-CPU (multi-socket): ✓ Yes
Up to 8 sockets
Integrated GPU: None
Memory type: DDR4-2666
6-channel
Memory size: Up to 4,608 GB
ECC memory: ✓ Yes
PCIe: PCIe 3.0 (48 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 2nd 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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