Processor (CPU)
CPU Name
Intel® Core™2 Quad CPU Q9400 @ 2.66GHz
Threading
1 CPU - 4 Core - 4 Threads
Frequency
4320.65 MHz (8 * 540.08 MHz)
Multiplier
Current: 8 / Min: 6 / Max: 8
Architecture
Yorkfield / Stepping: R0 / Technology: 45 nm
CPUID / Ext.
6.7.A / 6.17
IA Extensions
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, EM64T, VT-x
Caches
L1D : 32 KB / L2 : 3072 KB
Caches Assoc.
L1D : 8-way / L2 : 12-way
Microcode
Rev. 0xA07
TDP / Vcore
95 Watts / 1.648 Volts
Temperature
63 °C / 145 °F
Type
Retail (Stock Frequency : 2666 MHz)
Cores Frequencies
#00: 4320.65 MHz  #01: 4320.65 MHz  #02: 4320.65 MHz  #03: 4320.65 MHz 
Motherboard
Model
Asus P5Q
Socket
Socket 775 LGA
North Bridge
Intel P45/P43/G45/G43 rev A3
South Bridge
Intel 82801JR (ICH10R) rev 00
BIOS
American Megatrends Inc. 2209 (03/11/2010)
Memory (RAM)
Total Size
4096 MB
Type
Dual Channel (128 bit) DDR2-SDRAM
Frequency
540.1 MHz (DDR2-1080) - Ratio 1:1
Timings
6-6-6-18-2 (tCAS-tRCD-tRP-tRAS-tCR)
Slot #1 Module
G.Skill 2048 MB (DDR2-800) - P/N: F2-8500CL5-2GBPK
Slot #2 Module
G.Skill 2048 MB (DDR2-800) - P/N: F2-8500CL5-2GBPK
Graphic Card (GPU)
GPU Type
NVIDIA GeForce GTX 275 (GT200)
GPU Brand
Gainward
GPU VRAM
896 MB
Storage (HDD/SSD)
Model #1
KINGSTON SV300S37A60G
Capacity #1
60 GB
Display
Screen #1
Acer AL1916W (ACRAD86)
Screen #1 Spec
18.6 inches (47.2 cm) / 1440 x 900 pixels @ 55-75 Hz
Miscellaneous
Windows Version
Microsoft Windows XP Professional
CPU-Z Version
1.78.1 (32 bit)