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HP 591906-L21 Intel Xeon E5640 2.66GHz Processor Kit

Boost Server Performance with a Powerful Processor The HP Intel Xeon E5640 Processor Kit provides a significant performance upgrade for your server. Featuring four cores and a high clock speed, this processor delivers the power and efficiency needed for demanding applications. Brand: HP Proc...

$160.89*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Boost Server Performance with a Powerful Processor

The HP Intel Xeon E5640 Processor Kit provides a significant performance upgrade for your server. Featuring four cores and a high clock speed, this processor delivers the power and efficiency needed for demanding applications.

  • Brand: HP
  • Processor: Intel Xeon E5640
  • Cores: 4
  • Clock Speed: 2.66GHz
  • Power: 80W
  • Cache: 12MB

Specifications

Brand
HP
Processor Brand
Intel
Processor Type
Xeon E5640
Clock Speed
2.66GHz
Part Number
591906-L21
Product Type
Processor Kit

Pros & Cons

👍 Pros

  • Features an Intel Xeon E5640 processor, offering 2.66GHz clock speed suitable for server and workstation tasks.
  • Provides 8 processing cores (implied by E5640 which is a Quad-Core with Hyper-Threading, presenting 8 logical cores), enhancing multitasking capabilities.
  • This is a genuine HP processor kit, ensuring compatibility and reliability with HP systems.
  • Ideal for upgrading or replacing a processor in compatible HP servers or workstations for improved performance.
  • The Xeon architecture is designed for demanding environments, offering stability and error-correction capabilities when paired with ECC memory.

👎 Cons

  • The processor is an older generation Intel Xeon E5640, which may not offer the same performance as newer CPUs.
  • Specific compatibility with HP server or workstation models is not listed, requiring the buyer to verify system support.
  • The processor clock speed of 2.66GHz, while respectable for its generation, may be a limitation for some modern, single-threaded applications.
  • Thermal solution (heatsink and fan) is not explicitly mentioned as included, which is essential for processor operation.
  • This is a single processor kit, and some server configurations may require multiple processors for optimal performance.

Frequently Asked Questions

The Intel Xeon E5640 processor included in this HP kit operates at a clock speed of 2.66GHz.
This HP 591906-L21 Intel Xeon E5640 2.66GHz Processor Kit is designed for specific HP systems; buyers should verify compatibility with their particular server or workstation model.
This kit includes an Intel Xeon E5640 processor, which is typically used in servers and high-end workstations.
The product description specifies "Processor Kit" but does not explicitly state whether a heatsink or fan are included with this HP 591906-L21 Intel Xeon E5640.
The product title does not specify if this is a new or used component, only that it is an HP Intel Xeon E5640 processor kit.

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