Intel Xeon 4-Core X5560 2.8GHz LGA1366

General information
Type CPU / Microprocessor
Family Intel Xeon
Model number ? X5560
CPU part number AT80602000768AA (Q1GF, SLBF4)
Box part number BX80602X5560 (SLBF4)
Frequency (MHz) ? 2800
Bus speed (MHz) ? 3200 MHz QPI
Package 1366-land Flip-Chip Land Grid Array (FC-LGA8)
1.77" x 1.67" (4.5 cm x 4.25 cm)
Socket Socket 1366 (LGA1366)
Introduction date March 30, 2009
Price at introduction $1172

Architecture / Microarchitecture
Processor core Nehalem-EP
Core stepping D0 (SLBF4)
Manufacturing process 0.045 micron
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 8 MB
Physical memory (GB) 144
Multiprocessing Up to 2 processors
Features MMX instruction set
SSE
SSE2
SSE3
Supplemental SSE3
SSE4.1 ?
SSE4.2 ?
EM64T technology ?
Virtualization technology
Execute Disable bit ?
Turbo Boost Technology ?
Hyper-Threading technology

Low power features Thread C1/C1E, C3 and C6 states
Core C1/C1E, C3 and C6 states
Package C1/C1E, C3 and C6 states
Enhanced SpeedStep technology ?

On-chip peripherals Integrated 6-channel DDR3 SDRAM Memory controller
Quick Path Interconnect (2 links)

Electrical/Thermal parameters
V core (V) ? 0.75 - 1.35
Minimum/Maximum operating temperature (°C) ? 5 - 75
5 - 81
Maximum power dissipation (W) ? 197.97
155.56 (sustained)
Thermal Design Power (W) ? 95