Motherboard: ASRock A75M-HVS ￥ 400
Memory: Apacer DDR3 4GB ￥ 100
Hard disk: WD 500GB AAKX ￥ 400
Graphics: MSI R6870HAWK 1GB ￥ 1000
Monitor: AOC E950s ￥ 650
Power supply: Antec B950s ￥ 650
The best way to play games is to have a computer that is within 3500 yuan. AOC E950s ￥ 650
Power supply: Antec BP300P ￥ 170
Chassis: buy a random 100 yuan
3000 yuan or so on such a machine I think it is better, X4 641 can not be compared with the 955, but basically the home is certainly enough, the R6870HAWK because of the frequency of the higher than the public (the default) The R6870HAWK has a higher frequency than the original (default 930MHz), so its performance is almost as good as that of the GTX560Ti, and its gaming performance can cope with most of the common single-player games without sacrificing the special effects.
The BP300P from Antec was only recently discovered, and it's a great way to get the most out of your low-end power supply.