Intel Xeon 656 Granite Rapids 2.9 GHz 72MB L3 Cache LGA 4710 210W Server Processor - OEM

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20-Core/40-Threads
Intel 3 Granite Rapids
72MB L3 Cache
210W

Specs

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Learn more about the Xeon 656

Model
Brand	Intel
Series	Xeon 6
Name	Xeon 656
Part Number	PK8072007104700

Details
CPU Socket Type	LGA 4710
CPU Code Name	Granite Rapids
# of Cores	20-Core (20P+0E)
# of Threads	40
Operating Frequency	2.9 GHz
Max Turbo Frequency	Max Turbo Frequency: 4.8 GHz Intel Turbo Boost Max Technology 3.0 Frequency: 4.8 GHz Intel Turbo Boost Technology 2.0 Frequency: 4.6 GHz
L3 Cache	72MB
64-Bit Support	Yes
Hyper-Threading Support	Yes
Manufacturing Tech	Intel 3
Integrated Memory Controller Speed	DDR5 6400MHz
Maximum Memory Capacity	4TB
Memory Channel	8 Channel
Virtualization Technology Support	Yes
Scalability	1S Only
PCI Express Revision	5.0
Max # of PCI Express Lanes	128
Multimedia Instruction	Intel SSE4.1, Intel AMX, Intel SSE4.2, Intel AVX2, Intel AVX-512
Thermal Design Power	210W
Max Turbo Power	252W

Additional Information
First Listed on Newegg	June 08, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

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Manufacturer Contact Info

The Intel Xeon 656 is a 20-core, 40-thread workstation processor for builders who need substantial multi-threaded CPU capacity, with a 2.9 GHz base frequency, boost up to 4.8 GHz, and 72 MB of L3 cache. It is designed for single-socket LGA 4710 systems.

Recommended For

Workstation users running engineering simulation or visualization jobs that can use many CPU threads and benefit from ECC memory and high memory bandwidth.
Professional creators who run CPU-based rendering, encoding, or other parallel media jobs on a fixed workstation and need room for multiple GPUs, storage devices, or network cards.
Single-socket workstation or server builders who need substantial ECC memory capacity and many PCIe 5.0 lanes for memory-heavy applications, expansion cards, or local storage.
Developers and data-science teams testing CPU-based AI or machine-learning workloads that can use Intel AMX, while keeping the system in a workstation rather than a compact or mobile setup.

Spec Summary

Attribute	Value
Best For	Single-socket server or workstation builds needing 20 cores and 40 threads, with support for up to 4TB of DDR5 memory
Cores And Threads	20 cores (20 performance cores, 0 efficiency cores) and 40 threads, with Hyper-Threading support
Clock Speeds	2.9 GHz base frequency, up to 4.8 GHz with Turbo Boost Max Technology 3.0 and 4.6 GHz with Turbo Boost 2.0
Cache And Power	72MB L3 cache, 210W thermal design power and 252W maximum turbo power
Socket And Platform	LGA 4710 socket, Granite Rapids architecture, Intel 3 manufacturing process; single-socket scalability
Memory Support	Eight-channel DDR5 memory at up to 6400MHz, with maximum capacity of 4TB
PCIe And Expansion	PCI Express 5.0 support with up to 128 lanes
Instruction Sets And Virtualization	Supports Intel SSE4.1, SSE4.2, AMX, AVX2, AVX-512, 64-bit computing and virtualization
Model Identifiers	Intel Xeon 6, Xeon 656; part number PK8072007104700

Item#: N82E16819118644