The GT 1030 doesn't require any more power than is available from the PCI Express x 16 slot. So basically any power supply over 300 watts would be enough for the GT 1030. So your 450 Watt power supply is enough.
The GT 1030 doesn't require any more power than is available from the PCI Express x 16 slot. So basically any power supply over 300 watts would be enough for the GT 1030. So your 450 Watt power supply is enough.