Bestec ATX-400GW Rev. S1R 400w Power Supply P/N: 5188-2533, 5188-0127

I bought this power supply for my HP computer. It was the same wattage and listed as a suitable substitute. I installed it without any problem, but immediately noticed that the power supply was twice as loud as the old power supply. I decided to live with the extra noise. The power supply has now stopped working all together after only 7 months. I will not buy this brand again.

Works Great!! I was a little afraid it wouldn't work because it's not the same one pictured but someone from the customer service department reassured me it would. No problems. Computer turns on perfectly now.

Did the job and was cheaper then direct purchase from HP.