IBM 00FK644 processor

Intel® Xeon® Processor E5-2640 v3 (IBM Part Number: 00FK644) — is a high-performance Processor Option Kit designed for Lenovo/IBM System x3650 M5 servers. Built on the 22nm Haswell-EP microarchitecture, this 8-core CPU delivers a robust balance of frequency and core density. With Hyper-Threading (16 threads total) and a max turbo frequency of 3.40 GHz, it is engineered to handle demanding enterprise workloads, including virtualization clusters and mid-range database hosting. The 20MB L3 Cache and 90W TDP ensure high efficiency and low latency, making it an ideal upgrade for mission-critical data center environments.

Key Specifications:

• Processor Number: E5-2640 v3.

• Cores / Threads: 8 Cores / 16 Threads.

• Clock Speed: 2.60 GHz (3.40 GHz Max Turbo).

• L3 Cache: 20 MB.

• TDP: 90W.

• Memory Support: Quad-channel DDR4 up to 1866 MHz.

• Socket Support: FCLGA2011-3.