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Intel Xeon Skylake SR3B3 processor in FCLGA3647 socket, silver heat spreader with gold contacts, square form factor

Intel

Intel Xeon Skylake SR3B3 2.60 GHz 12-core 24-thread FCLGA3647 CPU

SKU CH-SACM-XBDDK

12-core Xeon processor with 24 threads running at 2.60 GHz for FCLGA3647 sockets

  • Product typeIntel Core i7 / i5 / i3 Desktop Processor
  • Product weight0.5
  • In the boxCPU ONLY
  • 12 cores and 24 threads handle heavy multi-threaded workloads
  • 60 GHz base frequency delivers steady compute performance
  • FCLGA3647 socket fits compatible server platforms
  • 768 GB maximum memory capacity supports large datasets
  • 5000 kg weight simplifies system integration

Server-grade Xeon processor

The Intel Xeon Skylake SR3B3 delivers 12 cores and 24 threads at a 2.60 GHz base frequency for multi-threaded server workloads. It fits the FCLGA3647 socket and supports up to 768 GB of memory. This unit is a clean pull with minor cosmetic signs of prior use and ships as the CPU only.

Thermals and power in normal use

The processor operates within its rated thermal envelope for sustained server loads. No cooling solution is included so system integrators must provide adequate airflow. Power draw scales with core utilisation across the 12 cores during typical operation.

Upgrade path and when it makes sense

This CPU replaces an older FCLGA3647 processor when more cores or higher memory capacity are required. The jump is worth it for workloads that can use 24 threads and large memory footprints. It is not suited for single-threaded tasks that need higher clock speeds or for platforms that do not support the FCLGA3647 socket.

How it compares

Measured against everything we stock in Laptop Wireless & Network Cards, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 82% of the 100 comparable items (median $81.99).

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Specifications

Product
Brand nameIntel
Product lineSkylake
Model nameSR3B3
Product typeIntel Core i7 / i5 / i3 Desktop Processor
In the box
In the boxCPU ONLY

Questions about this item

How is the FCLGA3647 processor installed, and what step do people often miss?

Align the notches on the SR3B3 with the socket keys, lower it straight down without pressure, then close the load plate and torque the retention screws in a cross pattern to the specified value; skipping the cross-pattern tightening is the common error.

What maintenance or replacement will the Xeon SR3B3 need later?

The CPU itself has no serviceable parts; plan to renew thermal paste whenever the cooler is removed and verify the 768 GB memory limit is still met by the installed DIMMs.

What limit appears first under sustained load on the Gold 6126?

The 2.60 GHz base frequency is the sustained ceiling; all 12 cores and 24 threads will hold that speed until the thermal solution reaches its capacity.

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