it'll be close... I have a dell 9100, it has a p4 3.0ghz, 1.5 gb ram, 8800gts and an xfi sound card... I also have a 375 watt psu and it works. The 12v rating on mine is like 36? i think its 12v a= 18 12v b= 18. I dont know if i would risk it with your specs. the processor would take more power...