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Square gold processor with green substrate and silver heat spreader, LGA 4677 form factor

Intel

Intel PK8071305081600 Xeon W9-3475X server processor 36-core 2.2 GHz

SKU CH-STCM-END8W MPN PK8071305081600

36-core server CPU reaching 4.8 GHz turbo with 82.5 MB cache, eight-channel DDR5-4800 support and 112 PCIe 5.0 lanes

  • Product nameXeon W9-3475X
  • CPU cores36-Core
  • CPU socketLGA 4677
  • Maximum turbo clock4.8 GHz Intel Turbo Boost Max Technology 3.0 Frequency: 4.8
  • TDP ratingProcessor Base Power: 300 W Maximum Turbo Power: 360 W
  • Processor codenameSapphire Rapids
  • 36 cores and 72 threads handle heavy multi-threaded workloads
  • 5 MB L3 cache accelerates data access for large datasets
  • DDR5 4800 eight-channel memory controller supports up to 4 TB capacity
  • PCIe 5.0 with 112 lanes enables high-speed I/O expansion
  • 7 nm Sapphire Rapids architecture delivers 2.2 GHz base and 4.8 GHz max turbo frequency

Xeon W9-3475X 36-core server processor

The Intel Xeon W9-3475X is a 36-core, 72-thread server processor built on the 7 nm Sapphire Rapids architecture. It operates at a 2.2 GHz base frequency and reaches up to 4.8 GHz with Turbo Boost Max Technology 3.0. The CPU provides 82.5 MB of L3 cache and supports DDR5 4800 memory across eight channels.

Workstations needing heavy multi-threaded compute

This processor suits workstations that run heavily multi-threaded workloads such as rendering, simulation or large-scale data analysis. Buyers who need fewer cores or lower power draw should consider other options. Systems limited to single-threaded applications will not use the full core count.

Verify LGA 4677 socket and 300 W cooling

Confirm your motherboard uses the LGA 4677 socket and supports a 300 W base power processor with up to 360 W maximum turbo power. Ensure the platform provides eight-channel DDR5 memory slots and sufficient PCIe 5.0 lanes for your add-in cards. Check that your power supply and cooling solution meet the thermal requirements.

How it compares

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

Price $2,986.99
Pricier than about 73% of the 621 comparable items (median $1,561.99).
CPU cores 36-Core
Higher than about 72% of the 386 comparable items (median 24).
Maximum turbo clock 4.8 GHz Intel Turbo Boost Max Technology 3.0 Frequency: 4.8 GHz Intel Turbo Boost Technology 2.0 Frequency: 4.6 GHz
Higher than about 90% 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 namePK8071305081600
Product nameXeon W9-3475X
Performance
Working frequency2.2 GHz
Processor
CPU cores36-Core
CPU socketLGA 4677
Maximum turbo clock4.8 GHz
Intel Turbo Boost Max Technology 3.0 Frequency: 4.8 GHz
Intel Turbo Boost Technology 2.0 Frequency: 4.6 GHz
TDP ratingProcessor Base Power: 300 W
Maximum Turbo Power: 360 W
Processor codenameSapphire Rapids
CPU threads72
Level 3 cache82.5 MB
64-bit capableYes
Hyper-ThreadingYes
Process node7 nm
Virtualization supportYes
Maximum PCIe lanes112
Memory
Supported memory speedDDR5 4800
Max supported memory4 TB
Channel configuration8 Channel
Ports & slots
PCIe generation5.0
Size & build
Shipping weight1.14 kg
Package size195 × 147 × 130 mm

Questions about this item

Does this Xeon W9-3475X need an LGA 4677 motherboard?

Yes, the processor fits only an LGA 4677 socket. The board must also supply up to 360 W during turbo and provide eight DDR5-4800 channels for the integrated memory controller.

Will my PCIe 4.0 expansion cards work at full speed with this CPU?

The CPU exposes 112 lanes of PCIe 5.0. PCIe 4.0 cards will function but run at their native 4.0 speeds because the link negotiates down to the card's capability.

How can I confirm the 36 cores and 72 threads are active after installation?

Check the operating system task manager or run `lscpu`; it should report 36 physical cores, 72 logical processors and a base frequency of 2.2 GHz.

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