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Intel Xeon W9-3575X server processor in LGA 4677 socket package

Intel

Intel Xeon W9-3575X 44-core 2.2 GHz server processor BX807133575X

SKU CH-FVE1-DEVGF MPN BX807133575X

44-core Xeon server processor with 88 threads, 2.2 GHz base clock, 4.8 GHz max turbo, 97.5 MB L3 cache, DDR5-4800 eight-channel memory support up to 4 TB, and 112 PCIe 5.0 lanes for LGA 4677 platforms

  • Product nameXeon W9-3575X
  • CPU cores44-Core
  • CPU socketLGA 4677
  • Maximum turbo clockIntel Turbo Boost Max Technology 3.0 Frequency: 4.8 GHz Inte
  • TDP rating340 W
  • Processor codenameSapphire Rapids
  • 44 cores and 88 threads accelerate multi-threaded workloads
  • 5 MB L3 cache reduces latency for large data sets
  • DDR5 4800 eight-channel controller feeds 4 TB maximum memory
  • PCIe 5.0 with 112 lanes enables high-speed I/O expansion
  • Turbo Boost Max 3.0 reaches 4.8 GHz for single-thread bursts

Intel Xeon W9-3575X 44-core server CPU

The Intel Xeon W9-3575X is a 44-core, 88-thread processor built for single-socket workstations. It runs at a 2.2 GHz base frequency with a maximum turbo of 4.8 GHz and provides 97.5 MB of L3 cache. The chip fits the LGA 4677 socket and supports eight-channel DDR5 4800 memory up to 4 TB capacity.

For heavy multi-threaded workloads only

This processor suits users running large-scale rendering, simulation or virtualisation tasks that scale across 44 cores and 112 PCIe 5.0 lanes. Buyers who need multi-socket scaling, lower power draw or a smaller core count for single-threaded applications should look at something else.

Verify socket, memory, power and cooling

Confirm your motherboard uses the LGA 4677 socket and supports a 340 W base TDP with headroom for 408 W max turbo power. Ensure the board provides eight DDR5 slots for full memory bandwidth. A compatible cooling solution must be sourced separately as none is included.

How it compares

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

Price $3,387.99
Pricier than about 77% of the 621 comparable items (median $1,561.99).
CPU cores 44-Core
Higher than about 75% of the 386 comparable items (median 24).
TDP rating 340 W
Higher than about 88% of the 395 comparable items (median 200 W).

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 nameBX807133575X
Product nameXeon W9-3575X
Performance
Working frequency2.2 GHz
Processor
CPU cores44-Core
CPU socketLGA 4677
Maximum turbo clockIntel Turbo Boost Max Technology 3.0 Frequency: 4.8 GHz
Intel Turbo Boost Technology Maximum Single Core Turbo Frequency: 4.6 GHz
TDP rating340 W
Processor codenameSapphire Rapids
CPU threads88
Level 3 cache97.5 MB
64-bit capableYes
Hyper-ThreadingYes
Process node10 nm
Virtualization supportYes
CPU socket scalability1S Only
Maximum PCIe lanes112
Memory
Supported memory speedDDR5 4800
Max supported memory4 TB
Channel configuration8 Channel
Ports & slots
PCIe generation5.0
Power
Maximum turbo power408 W
Size & build
Shipping weight0.23 kg
Package size140 × 114 × 51 mm
In the box
Included coolerNot included - Processor Only

Questions about this item

What motherboard socket is required for the Xeon W9-3575X?

The processor fits the LGA 4677 socket, so a motherboard with that socket is needed.

Can the W9-3575X share a platform with a second Xeon processor?

The chip is rated for 1S only, meaning it operates in single-socket systems and does not support multi-socket configurations.

How can I confirm the CPU reaches its 4.8 GHz Turbo Boost Max frequency?

Monitor single-core clock speeds under load with a tool such as Intel XTU or HWInfo; sustained readings at 4.8 GHz indicate the feature is active.

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