CPU:E7400 700RMB (AMD is not recommended, unstable, high temperature, ultra-low power consumption, low temperature).

Graphics card: colorful 280 4870 (A card for drawing and N card for games) 1000.

Memory: If XP is replaced by 1 2G DDR2 800 and1kloc-0/gdddr2800, because XP system can support 3G memory at most, more than 230 RMB is useless.

VISTA, you can get two Kingston DDR2 2G 800 300 yuan RMB.

Motherboard: Get a front-end bus of 1333, which is convenient for upgrading at RMB 500 in the future.

Hard disk: just get a 500G one, and about 400 is enough.

Fan: Since silence is required, let's spend more money on water-cooled ones.

Chassis power supply can buy the best power supply above 350W, which is enough to drive 700 RMB for each hardware.

Mouse and keyboard 100 RMB

Total price: 36 10 RMB.