Kentek 300 Watt 300W Micro ATX PS3 Power Supply upgrade replacement 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