Processor (CPU)
CPU Name
Intel® Xeon® CPU X3440 @ 2.53GHz
Threading
1 CPU - 4 Core - 8 Threads
Frequency
2540.9 MHz (19 * 133.73 MHz) - Uncore: 2139.7 MHz
Multiplier
Current: 19 / Min: 9 / Max: 22
Architecture
Lynnfield / Stepping: B1 / Technology: 45 nm
CPUID / Ext.
6.E.5 / 6.1E
IA Extensions
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x
Caches
L1D : 32 KB / L2 : 256 KB / L3 : 8192 KB
Caches Assoc.
L1D : 8-way / L2 : 8-way / L3 : 16-way
Microcode
Rev. 0x4
TDP / Vcore
95 Watts / 1.224 Volts
Temperature
73 °C / 163 °F
Type
Retail (Stock Frequency : 2533 MHz)
Cores Frequencies
#00: 2540.9 MHz  #01: 2674.6 MHz  #02: 2674.6 MHz  #03: 2674.6 MHz 
Motherboard
Model
Biostar H55A+
Socket
Socket 1156 LGA
North Bridge
Intel DMI Host Bridge rev 11
South Bridge
Intel H55 rev 06
BIOS
American Megatrends Inc. 080015 (09/27/2010)
Memory (RAM)
Total Size
4096 MB
Type
Single Channel (64 bit) DDR3-SDRAM
Frequency
668.7 MHz (DDR3-1338) - Ratio 2:10
Timings
9-9-9-24-2 (tCAS-tRCD-tRP-tRAS-tCR)
Slot #1 Module
Kingston 2048 MB (DDR3-1600) - P/N: 99U5595-003.A00LF
Slot #2 Module
Kingston 2048 MB (DDR3-1600) - P/N: 99U5595-003.A00LF
Graphic Card (GPU)
GPU Type
NVIDIA GeForce GTX 550 Ti
GPU Brand
ASUSTeK Computer Inc.
GPU VRAM
1024 MB
Storage (HDD/SSD)
Model #1
KINGSTON SUV400S37120G
Capacity #1
120 GB
Model #2
Western Digital WDC WD2500AAKS-00L9A0
Capacity #2
250 GB
Display
Screen #1
LG Electronics ( 22M35 (GSM5A31)
Screen #1 Spec
21.7 inches (55.1 cm) / 1920 x 1080 pixels @ 56-75 Hz
Miscellaneous
Windows Version
Microsoft Windows 7 (6.1) Ultimate Edition 64-bit
CPU-Z Version
1.78.1 (64 bit)