320w is fine for that system, IF the power supply is actually capable of supplying that. Since this is a somewhat decent OEM type system, although a bit older, the unit that is in that is probably perfectly fine for that slot powered card.
320w is fine for that system, IF the power supply is actually capable of supplying that. Since this is a somewhat decent OEM type system, although a bit older, the unit that is in that is probably perfectly fine for that slot powered card.