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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 Socket TypeLGA 3647
  • Core NameCascade Lake
  • # of Cores28-Core
  • # of Threads56
  • Operating Frequency2.5 GHz
  • Max Turbo Frequency4.4 GHz
  • 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.

Highlights

  • 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

Specifications

BrandIntel
SeriesIntel Xeon W
ModelXeon W-3275M
CPU Socket TypeLGA 3647
Core NameCascade Lake
# of Cores28-Core
# of Threads56
Operating Frequency2.5 GHz
Max Turbo Frequency4.4 GHz
QPI8.00 GT/s
FSBN/A
Bus Speed8 GT/s
Hyper TransportsN/A
L1 Cache32 KB
L2 Cache1MB
L3 Cache38.5MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech14 nm
Integrated Memory Controller Speed2933 MHz
Memory Channel6 Channel
Virtualization Technology SupportYes
PCI Express Revision3.0
Max # of PCI Express Lanes60
Thermal Design Power205W
Cooling DeviceCooling device not included - Processor Only

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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