This is Guru3D's generic power supply recommendation for the R7 and R9 series:
AMD R9 380 - On your average system the card requires you to have a 500 Watt power supply unit.
AMD R9 380 Crossfire - On your average system the cards require you to have a 700 Watt power supply unit as minimum.
If you are going to overclock GPU or processor, then we do recommend you purchase something with some more stamina.
This is Guru3D's generic power supply recommendation for the R7 and R9 series:
AMD R9 380 - On your average system the card requires you to have a 500 Watt power supply unit.
AMD R9 380 Crossfire - On your average system the cards require you to have a 700 Watt power supply unit as minimum.
If you are going to overclock GPU or processor, then we do recommend you purchase something with some more stamina.
This is Guru3D's generic power supply recommendation for the R7 and R9 series:
AMD R9 380 - On your average system the card requires you to have a 500 Watt power supply unit.
AMD R9 380 Crossfire - On your average system the cards require you to have a 700 Watt power supply unit as minimum.
If you are going to overclock GPU or processor, then we do recommend you purchase something with some more stamina.
Idle temperatures are fine with even the idle-fan-off feature we love so much.