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Intel Xeon W-3275M processor in anti-static clamshell

Intel

Intel Xeon W-3275M 28-Core 2.5 GHz server processor

SKU CH-V7FT-GQ9SR

28-core Xeon workstation CPU with 4.4 GHz max turbo for single-socket Mac Pro 2019 and Dell Precision 7820/7920 towers

  • CPU cores28-Core
  • CPU socketLGA 3647
  • Maximum turbo clock4.4 GHz
  • TDP rating205 W
  • Processor codenameCascade Lake
  • CPU threads56
  • 28 cores and 56 threads handle heavy parallel workloads
  • 4 GHz max turbo frequency speeds single-thread tasks
  • 5 MB L3 cache keeps large data sets close
  • 2933 MHz memory controller supports up to 2 TB RAM
  • LGA 3647 socket fits listed single-socket workstations

28-core Xeon workstation CPU

The Intel Xeon W-3275M is a 28-core processor built for single-socket workstations that need up to 56 threads. It targets professionals running multi-threaded workloads such as rendering, simulation or large-scale data analysis. The chip operates at a 2.5 GHz base frequency with a 4.4 GHz maximum turbo.

LGA 3647 socket installation

The CPU drops into an LGA 3647 socket using the standard server retention mechanism; no soldering or special tools are required. Because the part is an OEM tray unit, it ships without a cooler or retail box. Installers must supply a compatible 205W-rated heatsink and apply thermal paste before powering the system.

205W TDP defines cooling and chassis

The processor draws up to 205 watts, so the workstation must provide a single-socket motherboard and cooling solution rated for that thermal envelope. Dual-socket boards and compact enclosures that cannot dissipate 205W are unsuitable. Buyers needing a lower-power chip or a multi-socket platform should look elsewhere.

How it compares

Measured against everything we stock in Server Processors, at today’s prices. Recalculated every night.

Price $988.99
Cheaper than about 60% of the 621 comparable items (median $1,561.99).
CPU cores 28-Core
Higher than about 55% of the 386 comparable items (median 24).
Maximum turbo clock 4.4 GHz
Higher than about 82% of the 327 comparable items (median 3.9 GHz).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameIntel
Product lineIntel Xeon W
Model nameXeon W-3275M
Performance
Working frequency2.5 GHz
Bus speed8 GT/s
Processor
CPU cores28-Core
CPU socketLGA 3647
Maximum turbo clock4.4 GHz
TDP rating205 W
Processor codenameCascade Lake
CPU threads56
L1 cache size32 KB
Level 2 cache1 MB
Level 3 cache38.5 MB
64-bit capableYes
Hyper-ThreadingYes
Process node14 nm
Virtualization supportYes
Maximum PCIe lanes60
Memory
Supported memory speed2933 MHz
Channel configuration6 Channel
Ports & slots
PCIe generation3.0
In the box
Included coolerNot included - Processor Only
More details
QPI8 GT/s

Questions about this item

How can I verify the Xeon W-3275M is running at its 4.4 GHz max turbo frequency after installation?

Monitor core clocks under load using system utilities; all 28 cores should reach 4.4 GHz when thermal and power headroom allow.

What ships with the tray processor and what must be sourced separately?

The CPU arrives in an anti-static clamshell protector; a compatible LGA 3647 motherboard, cooling for 205W TDP, and system memory must be purchased separately.

Which Xeon W-3275M version suits a single-socket Mac Pro 2019 upgrade?

This 28-core 2.5 GHz model with 205W TDP is the Apple-authorised processor for the 2019 Mac Pro; ensure the workstation firmware supports the 38.5 MB L3 cache configuration.

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