Processor (CPU)
CPU Name
Intel® Xeon® CPU E5645 @ 2.40GHz
Threading
1 CPU - 6 Core - 12 Threads
Frequency
4246.63 MHz (19 * 223.51 MHz) - Uncore: 2682.1 MHz
Multiplier
Current: 19 / Min: 12 / Max: 21
Architecture
Westmere-EP / Stepping: B1 / Technology: 32 nm
CPUID / Ext.
6.C.2 / 6.2C
IA Extensions
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES
Caches
L1D : 32 KB / L2 : 256 KB / L3 : 12288 KB
Caches Assoc.
L1D : 8-way / L2 : 8-way / L3 : 16-way
Microcode
Rev. 0x13
TDP / Vcore
80 Watts /
Temperature
54 °C / 129 °F
Type
Retail (Stock Frequency : 2400 MHz)
Cores Frequencies
#00: 2682.08 MHz  #01: 2682.08 MHz  #02: 2682.08 MHz  #03: 2682.08 MHz 
#04: 2682.08 MHz  #05: 2682.08 MHz 
Motherboard
Model
Asus Rampage II Extreme
Socket
Socket 1366 LGA
North Bridge
Intel X58 rev 12
South Bridge
Intel 82801JR (ICH10R) rev 00
BIOS
American Megatrends Inc. 2101 (09/19/2011)
Memory (RAM)
Total Size
12288 MB
Type
Triple Channel (192 bit) DDR3-SDRAM
Frequency
670.4 MHz (DDR3-1340) - Ratio 2:6
Timings
8-8-8-20-1 (tCAS-tRCD-tRP-tRAS-tCR)
Slot #1 Module
Corsair 4096 MB (DDR3-1337) - XMP 1.3 - P/N: CMY8GX3M2B2133C9
Slot #2 Module
Corsair 4096 MB (DDR3-1337) - XMP 1.3 - P/N: CMY8GX3M2B2133C9
Slot #3 Module
Corsair 4096 MB (DDR3-1337) - XMP 1.3 - P/N: CMY8GX3M2B2133C9
Graphic Card (GPU)
GPU Type
NVIDIA GeForce GTX 660
GPU Brand
ASUSTeK Computer Inc.
GPU VRAM
2048 MB (Elpida)
Storage (HDD/SSD)
Model #1 Name
Western Digital WDC WD1600AAJS-00G0A0 (FW: 40.00A40)
Model #1 Capacity
149.0 GiB (~160 GB)
Model #1 Type
Fixed - Bus: ATA (3)
Display
Screen #1
ASUS PB287Q (ACI28A3)
Screen #1 Spec
27.8 inches (70.6 cm) / 3840 x 2160 pixels @ 30-80 Hz
Miscellaneous
Windows Version
Microsoft Windows 7 (6.1) Home Premium Edition 64-bit
CPU-Z Version
1.91.0 (64 bit)