Processor Number : X5687
Lithography : 32 nm
# of Cores : 4
# of Threads : 8
Processor Base Frequency : 3.60 GHz
Max Turbo Frequency : 3.86 GHz
Cache : 12 MB SmartCache
Bus Speed : 6.4 GT/s QPI
# of QPI Links : 2
Max Memory Size (dependent on memory type) : 288 GB
Memory Types : DDR3 800/1066/1333
Max # of Memory Channels : 3
Max Memory Bandwidth : 32 GB/s
ECC Memory Supported : Yes
Sockets Supported : FCLGA1366
More details :
https://ark.intel.com/products/52578/Intel-Xeon-Processor-X5687-12M-Cache-3_60-GHz-6_40-GTs-Intel-QPI