Compatible Systems: 
Optiplex 390 790 990 3010 Small Form Factor 
Inspiron 537s 540s 545s 546s 560s 570s 580s 620s 
Vostro 200s 220s 230s 260s 400s 
Studio 540s 537s 560s Slim Desktop Systems 

Connectors: 
P1 - 24-Pin ATX Power 
P2 - 4-Pin ATX Power 
P3 - SATA Power 
P8 - SATA Power 
P9 - SATA Power 

If you have any questions please don't hesitate to ask!