300 Watt 300W TFX Power Supply replacement for Dell Inspiron 530s,531s,Vostro 200(Slim),200s,220s,Studio 540s SFF,XW605,XW604,XW784,XW783,YX301,YX299,YX303,6423C,K423C,N038C,H856C,YX302,TFX0250D5W X4,TFX0250D5WB A00,TFX0250P5W X4,Delta DPS-250ab-28 b,DPS-220AB-2, 04G185021200DE,PS-5251-5 by KENTEK Quiet Performance and High energy efficiency TFX form factor Dual 12V rail support Intel AMD Spec ball-bearing fan and thermal fan speed control Short circuit and over voltage protection Approved by FCC, CB, CCC & CE