HP
HP 588068-B21 Xeon E5640 2.66GHz Quad Core Processor
Performance and Energy Efficiency for Demanding ApplicationsThe HP 588068-B21 Intel Xeon E5640 Processor is designed to deliver industry-leading performance and energy efficiency. This versatile 4-core processor is ideally suited for a wide range of infrastructure, cloud, high-density, and high-p...
$76.00*
View on Amazon
✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jul 21, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Performance and Energy Efficiency for Demanding Applications
The HP 588068-B21 Intel Xeon E5640 Processor is designed to deliver industry-leading performance and energy efficiency. This versatile 4-core processor is ideally suited for a wide range of infrastructure, cloud, high-density, and high-performance computing (HPC) applications.
- Processor: Intel Xeon E5640
- Clock Speed: 2.66GHz
- Cache: 12MB
- Cores: 4
Key Features
Intel Xeon Dp E5640 Quad-core (4 Core) 2.66 Ghz Processor Upgrade - Socket B Lga-1366 - 1 Mb - 12 Mb Cache - 5.86 Gt/s Qpi - Yes - 45 Nm - 80 W - 171.7°f (77.6°c)
Specifications
Processor Model
Xeon E5640
Processor Cores
Quad-core (4 Core)
Base Clock Speed
2.66 GHz
Socket Type
Socket B LGA-1366
L2 Cache
1 MB
L3 Cache
12 MB
QPI Speed
5.86 GT/s
Manufacturing Process
45 nm
Thermal Design Power (TDP)
80 W
Max Operating Temperature
171.7°f (77.6°c)
Similar Products
Other products from the same family that visitors often consider:
Currently UnavailableHP 631479-B21 Xeon E5640 2.66GHz Quad-Core Processor
Check on Amazon →
Currently UnavailableHP 591906-L21 Intel Xeon E5640 2.66GHz Processor Kit
Check on Amazon →
✓ AvailableHP WG730AA Xeon E5640 2.66 GHz Quad-Core Processor
$345.00
View on Amazon →
Currently UnavailableHP 600543-L21 Intel Xeon E5640 2.66GHz Server Processor Kit
Check on Amazon →
Currently UnavailableHP 601324-B21 Xeon DP Quad-core E5640 2.66GHz Processor Upgrade
Check on Amazon →Frequently Asked Questions
What is the clock speed of the HP Xeon E5640 processor?
The HP Xeon E5640 processor operates at a clock speed of 2.66 GHz, providing efficient processing.
How many cores does the Intel Xeon E5640 processor have?
This Intel Xeon E5640 is a Quad-core (4 Core) processor, capable of handling multiple tasks simultaneously.
What is the cache size of this Xeon processor?
The processor features a 1MB L2 cache and a 12MB L3 cache, which assists in faster data access.
What is the thermal design power (TDP) for this processor?
The Intel Xeon E5640 has a thermal design power (TDP) of 80 watts, indicating its power consumption under typical workloads.
What is the maximum operating temperature for this processor?
The maximum operating temperature for this Xeon E5640 processor is 171.7°F (77.6°C), ensuring stable operation within specified thermal limits.
What socket type is required for this Intel Xeon E5640 processor?
This processor requires a Socket B LGA-1366, which is important for compatibility with motherboards.
Related Products
