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Intel Xeon Gold 6126 server CPU, silver metal heat spreader, green substrate, gold contact pads

Intel

Intel CD8067303405900 Xeon Gold 6126 12-Core 2.6 GHz server processor

SKU CH-A8K4-RJAKG MPN CD8067303405900

12-core server CPU with 24 threads running at 2.6 GHz base and 3.70 GHz turbo, 19.25 MB L3 cache, DDR4-2666 support across six channels, and 125 W TDP

  • Product nameIntel Xeon Gold 6126 Processor
  • CPU cores12-Core
  • CPU socketFCLGA3647
  • Maximum turbo clock3.7 GHz
  • TDP rating125 W
  • Processor codenameSkyLake
  • 12 cores and 24 threads handle parallel workloads efficiently
  • 6 GHz base with 3.70 GHz max turbo frequency accelerates compute tasks
  • 25 MB L3 cache reduces latency for data-intensive applications
  • DDR4-2666 six-channel memory controller increases bandwidth
  • 125 W TDP balances performance with thermal constraints

Server-grade compute core

The Intel Xeon Gold 6126 is a 12-core processor built on 14 nm SkyLake architecture for data-centre workloads. It delivers 24 threads at a 2.6 GHz base frequency with a 3.70 GHz max turbo boost. The 19.25 MB L3 cache and integrated six-channel memory controller supporting DDR4 up to 2666 MHz target virtualised and storage-heavy applications.

FCLGA3647 platform integration

This CPU requires an FCLGA3647 socket and a server-class chipset with six populated memory channels to reach rated bandwidth. The 125 W TDP demands adequate cooling and power delivery designed for sustained multi-core loads. Hyper-Threading and hardware virtualisation support let a single socket handle dense VM or container deployments without extra compute nodes.

Ready-to-deploy tray unit

The processor ships as a tray unit without a stock cooler, freeing budget for a purpose-built heatsink or liquid loop matched to the 125 W envelope. Intel virtualisation extensions and AES-NI are enabled out of the box, reducing software licensing overhead for encryption-heavy workloads. No bundled software or accessories are included beyond the processor itself.

How it compares

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

Price $1,570.99
Typical for this category: the median of 621 items is $1,561.99.
CPU cores 12-Core
Lower than about 80% of the 386 comparable items (median 24).
Maximum turbo clock 3.7 GHz
Lower than about 60% 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 lineXeon
Model nameCD8067303405900
Product nameIntel Xeon Gold 6126 Processor
Performance
Working frequency2.6 GHz
Processor
CPU cores12-Core
CPU socketFCLGA3647
Maximum turbo clock3.7 GHz
TDP rating125 W
Processor codenameSkyLake
CPU threads24
Level 3 cache19.25 MB
Process node14 nm
64-bit capableYes
Hyper-ThreadingYes
Virtualization supportYes
Memory
Supported memory speed2666 MHz
Channel configuration6
Size & build
Shipping weight0.14 kg
Package size152 × 152 × 51 mm

Questions about this item

What is the 125 W TDP limit that governs sustained all-core performance on the Xeon Gold 6126?

The processor has a 125 W thermal design power, which is the ceiling the cooling solution must dissipate during continuous full-load operation across all 12 cores.

How much heat and fan noise should I expect when the 12-core Xeon Gold 6126 runs at 2.6 GHz base frequency all day?

At the 125 W TDP the chip will generate significant heat; a server-grade heatsink or liquid cooler rated for at least 125 W is required to keep temperatures stable and fan noise manageable.

Which motherboard socket and memory kit do I need so the CD8067303405900 boots and runs at 2666 MHz DDR4?

You need an FCLGA3647 socket motherboard and a six-channel DDR4-2666 registered ECC memory kit to match the integrated memory controller specification.

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