Make sure this fits by entering your model number.
Compatible Number: DELL Optiplex 390 790 990 3010 Inspiron 537s 540s 545s 546s 560s 570s 580s 620s Vostro 200s 220s 230s 260s 400s Studio 540s 537s 560s DT Desktop System
Compatible Part Number: CYY97, 7GC81, HY6D2, WX9P8, 6MVJH, YJ1JT, 3MV8H, 3WFNF, 5FFR5, 76VCK, MPX3V, PWJ55, T498G, W208D, W209D, W210D, X3KJ8, XFWXR, FY9H3, 375CN, G4V10, NCYVN, XSKJ8