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Intel Xeon Gold 6426Y server processor in LGA 4677 package, silver heat-spreader, gold contact pads

Intel

Intel PK8071305120102 Xeon Gold 6426Y 16-core 2.5 GHz server processor

SKU CH-2PEH-3CV7T MPN PK8071305120102

16-core server processor with 32 threads, 37.5 MB L3 cache, 2.5 GHz base clock and 4.1 GHz max turbo frequency, supporting DDR5 4800 memory up to 4 TB across eight channels and PCIe 5.0 with 80 lanes

  • Product nameXeon Gold 6426Y
  • CPU cores16-Core
  • CPU socketLGA 4677
  • Maximum turbo clock4.1 GHz
  • TDP rating185 W
  • Processor codenameSapphire Rapids
  • 16 cores and 32 threads handle parallel workloads efficiently
  • 5 GHz base with 4.1 GHz max turbo accelerates single-thread tasks
  • 5 MB L3 cache reduces latency for data-intensive applications
  • DDR5 4800 support across 8 channels delivers high memory bandwidth
  • PCIe 5.0 with up to 80 lanes enables fast I/O expansion

16-core Xeon Gold 6426Y for dual-socket servers

This Intel Xeon Gold 6426Y delivers 16 cores and 32 threads at a 2.5 GHz base frequency with a 4.1 GHz maximum turbo. The 10 nm Sapphire Rapids architecture provides 37.5 MB of L3 cache and supports 64-bit processing for demanding server workloads.

LGA 4677 socket with DDR5 4800 memory controller

The processor fits the LGA 4677 socket and integrates an 8-channel DDR5 4800 memory controller supporting up to 4 TB of system memory. PCI Express 5.0 provides 80 lanes for high-speed storage and networking expansion, while 2S scalability enables dual-processor configurations.

185 W thermal design power requires adequate cooling

With a 185 W TDP and no cooling device included, this CPU demands robust server-grade thermal solutions. The 16 cores handle virtualization, database and compute tasks comfortably, while the 80 PCIe lanes and eight memory channels provide headroom for multi-GPU or high-throughput storage deployments.

How it compares

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

Price $1,275.99
Cheaper than about 55% of the 621 comparable items (median $1,561.99).
CPU cores 16-Core
Lower than about 70% of the 386 comparable items (median 24).
Maximum turbo clock 4.1 GHz
Higher than about 70% 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 Gold
Model namePK8071305120102
Product nameXeon Gold 6426Y
Performance
Working frequency2.5 GHz
Processor
CPU cores16-Core
CPU socketLGA 4677
Maximum turbo clock4.1 GHz
TDP rating185 W
Processor codenameSapphire Rapids
CPU threads32
Level 3 cache37.5 MB
64-bit capableYes
Process node10 nm
Virtualization supportYes
CPU socket scalability2S
Maximum PCIe lanes80
Memory
Supported memory speedDDR5 4800
Max supported memory4 TB
Channel configuration8 Channel
Ports & slots
PCIe generation5.0
Size & build
Shipping weight0.23 kg
Package size191 × 152 × 83 mm
In the box
Included coolerNot included - Processor Only
More details
Multimedia instructionIntel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512

Questions about this item

Does the 185 W thermal design power require a specific cooler for continuous loads?

The processor has a 185 W TDP and ships without a cooling device, so a compatible LGA 4677 cooler rated for at least that power must be supplied separately.

How loud or hot does the chip run when all 16 cores are fully loaded for hours?

At full load the 16 cores can draw up to 185 W, producing significant heat; actual noise and temperature depend entirely on the cooler and chassis airflow you install.

Which DDR5 memory speed and channel count does the integrated controller support?

The integrated memory controller runs DDR5 at 4800 MT/s across eight channels, allowing up to 4 TB of memory when all channels are populated.

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