Specifications

1.QUAD CORE PROCESSOR E5640 2.6GHZ 12MB REPLACEMENT CPU 49Y7051
2.L3 12MB
3.Frequency 2.66GHz..
4.waranty: 3 years.

General information
Type	CPU / Microprocessor
Market segment	Server
Family	Intel Xeon
Model number	E5640
CPU part number	AT80614005073AB (SLBVC)
Box part number	BX80614E5620 (SLBVC)
Frequency (MHz)	2667
Bus speed (MHz)	2933 MHz QPI
Package	1366-land Flip-Chip Land Grid Array (FC-LGA10)
Socket	Socket 1366 (LGA1366)
Size	1.77" x 1.67" / 4.5cm x 4.25cm
Introduction date	March 16, 2010
Price at introduction
Architecture / Microarchitecture
Processor core
Core stepping	B1 (SLBVC)
Manufacturing process	0.032 micron High-K metal gate process
Data width	64 bit
Number of cores	4
Floating Point Unit	Integrated
Level 1 cache size	4 x 32 KB instruction caches 4 x 32 KB data caches
Level 2 cache size	4 x 256 KB
Level 3 cache size	12 MB
Multiprocessing	Up to 2 processors
Features	MMX instruction set SSE SSE2 SSE3 Supplemental SSE3 SSE4.1   SSE4.2    AES instructions EM64T technology    Execute Disable bit   Hyper-Threading technology   Virtualization technology    Trusted Execution Technology Turbo Boost Technology
Low power features	Enhanced SpeedStep technology  ?
On-chip peripherals	Integrated 3-channel DDR3 SDRAM Memory controller Quick Path Interconnect
Electrical/Thermal parameters
V core (V)	0.8 - 1.3
Thermal Design Power (W)	80