My psu is an Antec EarthWatts 430 watt. The gpu I want to run in conjuction with it is a SAPPHIRE 100265HDMI Radeon HD 4830 which is a 450 watt gpu.
My psu specs are as follows:
Type ATX12V v2.0
Maximum Power 430W
Fans 80mm low noise cooling fan
PFC Active
Main Connector 20+4Pin
+12V Rails 2
PCI-E Connectors 1 x 6Pin
SLI No
Modular No
Efficiency > 80%
Energy-Efficient 80 PLUS Certified
Input Voltage 100 - 240 V
Input Frequency Range 50/60 Hz
Input Current 7A
Output +3.3V@20A,+5V@20A,+12V1@17A,+12V2@17A,-12V@0.8A, +5VSB@2.5A
Approvals UL, CUL, FCC, TUV, CE, CB, C-tick, CCC