Quad-Core Intel® Xeon™ E3-1280 /3,5GHz/8MB/LGA1155

Family Intel Xeon E3-1200
Model number ? E3-1280
CPU part number CM8062307261903 (SR00R)
Box part number BX80623E31280 (SR00R)
Frequency (MHz) ? 3500
Package 1155-land Flip-Chip Land Grid Array
Socket Socket 1155 (Socket H2)
Introduction date Apr 3, 2011
Price at introduction $612

Architecture / Microarchitecture
Microarchitecture Sandy Bridge
Platform Bromolow
Processor core ? Sandy Bridge
Manufacturing process 0.032 micron High-K metal gate process
Data width 64 bit
Number of cores 4
Floating Point Unit Integrated
Level 2 cache size ? 4 x 256 KB
Level 3 cache size 8 MB
Multiprocessing Uniprocessor
Features MMX instruction set
SSE
SSE2
SSE3
Supplemental SSE3
SSE4.1 ?
SSE4.2 ?
AES instructions
Advanced Vector Extensions
Extended Memory 64 technology (EM64T) ?
Execute disable bit ?
Virtualization technology ?
Turbo Boost technology ?
Trusted Execution technology
HyperThreading technology ?
On-chip peripherals Integrated DDR3 SDRAM Memory controller

Electrical/Thermal parameters
Thermal Design Power (W) ? 95