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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

  • NameIntel Xeon Gold 6126 Processor
  • CPU Socket TypeFCLGA3647
  • Core NameSkyLake
  • # of Cores12-Core
  • # of Threads24
  • Operating Frequency2.6 GHz
  • 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.

Highlights

  • 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

Specifications

BrandIntel
SeriesXeon
NameIntel Xeon Gold 6126 Processor
ModelCD8067303405900
CPU Socket TypeFCLGA3647
Core NameSkyLake
# of Cores12-Core
# of Threads24
Operating Frequency2.6 GHz
Max Turbo Frequency3.70 GHz
L3 Cache19.25 MB
Manufacturing Tech14 nm
64-Bit SupportYes
Hyper-Threading SupportYes
Integrated Memory Controller Speed2666 MHz
Memory Channel6
Virtualization Technology SupportYes
Thermal Design Power125W
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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