what's the best graphic card I can get for this mobo?
My system is an HP p6680pt
PSU is rated at 300W.
Internal 300W (100V-240V)
Form factor: Internal ATX
Total wattage: 300W
Nominal input voltage range:
Dimensions: 150mm x 140mm x 86mm (5.9 x 5.5 x 3.4 inches)
This power supply has an LED to indicate a possible failure condition when the LED is off and power is connected."