Kentek 300 Watt 300W Micro ATX PS3 Power Supply replacement upgrade for HP Bestec ATS-100,ATS-150,ATX-1953D,ATX-1956D,ATX-1956-B1,ATX-1956F,ATX-1951D,ATX-250-12Z,ATX-250-12E,ATX-300-12Z,ATX-300-12E,5188-2625,DPS-300AB,HP-D3057F3R KENTEK Brand Power Supply Quiet Performance and High energy efficiency Micro ATX 12V support Intel AMD Spec AFC, automatic fan speed control Short circuit and over voltage protection Approved by FCC, CB, CCC & CE