Ask for a configuration list of 2800-3200 assembled (brand acceptable) desktop computers.

AMD Athlon II X4 (Athlon II Quad-Core) 640 Boxed CPU (slot AM3/3GHz/2M)690

MSI)880GM-E4 1+0 motherboard (AMD 880g/ slot AM3 500

G. skills DDR3 1600 8G(4G×2) desktop memory 290

Kingston Matrix DDR 316008g (4x2) 300 memory is optional.

Colorfire)HD6790 poisonous lizard version1024md5900/4400mhz1024m/256-bit DDR5 800.

Antec)VP 450P rated power 450W 120mm mute fan active PFC power supply 300

Hard disk 500G7200RPM Choose Seagate WD at will.

You can choose the chassis.

Display optional

Graphics card 1G is about 300 less than 5 12, but it is not recommended to play with it!