CPUServerReleased Apr 6, 2021

Intel Xeon Silver 4309Y

8C/16T · 3.6 GHz · 105 W

An 8-core, 16-thread Xeon Silver from the third-generation Xeon Scalable (Ice Lake-SP) family, launched in April 2021 as an entry model with high per-core clocks for dual-socket servers. The Y suffix marks support for Intel Speed Select Technology - Performance Profile 2.0, which lets all eight cores run at 2.8 GHz in 105 W, 2.6 GHz in 95 W or 2.3 GHz in 85 W. It turbos up to 3.6 GHz, with 12 MB of L3 cache, two UPI links, eight channels of DDR4-2667 memory and 64 lanes of PCIe 4.0.

General

Manufacturer: Intel
Model: Intel Xeon Silver 4309Y
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: $563Search on Amazon

Cores & clocks

Cores / threads: 8 cores / 16 threads
Base clock: 2.80 GHz
Boost clock: 3.60 GHz
TDP (design W): 105 W
Unlocked: ✕ No
L2 cache: 10 MB
L3 cache: 12 MB
Technology (nm): 10 nm
10 nm

Platform

Socket: FCLGA4189
2-CPU (multi-socket): ✓ Yes
Up to 2 sockets
Integrated GPU: None
Memory type: DDR4-2667
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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