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1- :

3x1GB Kingston DDR2 @ 800MHz (RAM)
Intel Core 2 Duo E6420 @ 2.13GHz (CPU)
ASUS 8800GTS 320MB (VGA)
500GB Seagate Barracuda (HDD)
ASUS P5B-Plus (Motherboard)
Windows Vista Ultimate (OS)

2- :

2x1GB Kingston DDR2 (RAM)
Intel Core 2 Duo E6750 @ 2.66GHz (CPU)
ASUS 8800GTS 320MB (VGA)
320GB Hitachi (HDD)
Intel iP35 Express (Motherboard)
Windows XP SP2 (OS)

-?