KENTEK 400 Watt 400W TFX Power Supply Upgarde Replacement for Dell Inspiron 530s,531s,537s,540s,545s,560s,Vostro 200(Slim),200s,220s,Studio 540s SFF,XW605,XW604,XW784,XW783,YX301,YX299,YX303,6423C,K423C,N038C,H856C,YX302,TFX0250D5W,TFX0250D5WB,TFX0220D5WA,Delta DPS-250ab-28 b,DPS-220AB-2, 04G185021200DE,PS-5251-5 PCI-Express SATA Approved by FCC, CB, CCC & CE ball-bearing fan and thermal fan speed control Quiet Performance and High energy efficiency Short circuit and over voltage protection TFX form factor 12V support Intel AMD Spec