586641-003 Technical Specifications
HP Intel Xeon E5640 Quad Core Processor Upgrade
Brand: Intel
Part Number: 586641-003
Processor Type: Server
Series: Xeon Processor
Model: E5640
Code Name: Westmere EP
Core Stepping: B1
Manufacturing Technology: 32 nm
CPU ID String: 206C2
Number of Cores: 4
Number of Threads: 8
Base Clock Speed: 2.66 GHz
L3 Cache Size: 12 MB
QPI Speed: 5.86 GT/s
Thermal Design Power: 80 Watts
VID Voltage Range: 0.750V-1.350V
Socket Type: LGA 1366
Condition: OEM
This processor is designed for server environments, delivering efficient performance and reliability for various applications.





