Basics
Product collection Legacy Intel® Xeon® Processors
Codename Products formerly Nehalem EP
Vertical segment Server
Processor number W5580
Lithography 45 nm
Processor Specifications
Total cores 4
Total threads 8
Max. frequency in Turbo Boost mode 3.46 GHz
Base CPU frequency 3.20 GHz
Cache 8 MB Intel® Smart Cache
Tire speed 6.4 GT/s
Number of QPI links 2
TDP 130 W
Additional info
Marketing status Discontinued
Launch Date Q1'09
Service status End of Servicing Lifetime
Built-in options available No
Memory Specifications
Maximum memory capacity (depends on memory type) 144 GB
Memory types DDR3 800/1066/1333
Maximum number of memory channels 3
Maximum Memory Bandwidth 32 GB/s
Physical Address Extensions 40-bit
ECC memory supported ‡ Yes
Packaging Specifications
Supported sockets FCLGA1366
Maximum CPU Configuration 2
TCASE 67°C
Parcel size 42.5mm x 45mm
Processing die size 263 mm2
Number of transistors on a processor chip 731 million
Hi-tech
Intel Technology® Turbo Boost ‡ 1.0
Intel Technology® Hyper-Threading ‡ Yes
Intel® 64 ‡ Yes
Set of instructions 64-bit
Simple states Yes
Advanced Intel SpeedStep Technology® Yes
Intel Switching® on demand Yes
Safety and reliability
New Intel instructions® AES No
Intel Technology® Trusted Execution ‡ No
Execute Disable Bit function ‡ Yes
Intel Virtualization Technology® (VT-x) ‡ Yes
Intel Virtualization Technology® for directional I/O (VT-d) ‡ Yes
Intel® VT-x with extended page tables (EPT) ‡ Yes