Processor (CPU)
CPU Name
AMD Phenom™ II X4 B55 Processor
Threading
1 CPU - 3 Core - 3 Threads
Frequency
6478.94 MHz (31.5 * 205.68 MHz) - Uncore: 2056.8 MHz
Multiplier
Current: 31.5 / Min: 4 / Max: 31.5
Architecture
Deneb / Stepping: RB-C3 / Technology: 45 nm
CPUID / Ext.
F.4.3 / 10.4
IA Extensions
MMX(+), 3DNow!(+), SSE, SSE2, SSE3, SSE4A, x86-64, AMD-V
Caches
L1D : 64 KB / L2 : 512 KB / L3 : 6144 KB
Caches Assoc.
L1D : 2-way / L2 : 16-way / L3 : 48-way
Microcode
Rev. 0x10000C8
TDP / Vcore
159.65 Watts / 1.86 Volts
Type
Retail (Stock Frequency : 6300 MHz)
Cores Frequencies
#00: 6478.94 MHz  #01: 4730.65 MHz  #02: 4730.65 MHz 
Motherboard
Model
Asus Crosshair IV Formula
Socket
Socket AM3 (938)
North Bridge
AMD 890FX rev 02
South Bridge
AMD SB850 rev 40
BIOS
American Megatrends Inc. 2002 (04/01/2011)
Memory (RAM)
Total Size
4096 MB
Type
Dual Channel (128 bit) DDR3-SDRAM
Frequency
685.6 MHz (DDR3-1372) - Ratio 3:10
Timings
6-6-6-18-34-1 (tCAS-tRC-tRP-tRAS-tCS-tCR)
Slot #1 Module
Patriot Memory 2048 MB (DDR3-1062) - XMP 1.1 - P/N: 1600LL Series
Slot #2 Module
Patriot Memory 2048 MB (DDR3-1062) - XMP 1.1 - P/N: 1600LL Series
Graphic Card (GPU)
GPU Type
NVIDIA GeForce 9400 GT (G96)
GPU Brand
Micro-Star International Co. Lt
Storage (HDD/SSD)
Model #1 Name
Western Digital WDC WD5001AALS-00L3B2 (FW: 01.03B01)
Model #1 Capacity
465.8 GiB (~500 GB)
Model #1 Type
Fixed - Bus: ATA (3)
Display
Screen #1
BenQ FP93G (BNQ76C8)
Screen #1 Spec
19.1 inches (48.5 cm) / 1280 x 1024 pixels @ 56-76 Hz
Miscellaneous
Windows Version
Microsoft Windows 7 (6.1) Home Premium Edition 64-bit
CPU-Z Version
1.86.0 (64 bit)