Aywun 500w http://www.trademe.co.nz/Computers/Components/Cases-power-supplies/Power-supplies/auction-283944799.htm My System: Intel Pentium dual core 2.8ghz 2gb ddr2 ram ATI radeon 4850 512mb 500gb Cavair hard drive DVD RW drive Extras such as wireless adapter card, usb ports etc thanks...and If it will not supoort it which PSU will?