Hi I would like to upgrade my graphics card in my system the system configuration is as follows
Motherboard : Bio Star (N68S+) Socket AM3/AM2+
Chip set :NVIDIA MCP68S
Processor : AMD Athlonâ„¢ II X2 x250 CPU speed 3000Mhz
RAM : 4 GB DDR 3
Power Supply: 450 watts
Hard Disk : 1TB
Integrated...