Compatible Number: For DELL Optiplex 390 790 990 3010 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 | Compatible Models: L250NS-00, PS-5251-08D, D250AD-00, PS-5251-5, H250AD-00, D250A1005L, D250ED-00, DPS-250AB-67 A, F250ED-00, D-0250ADU00-101, D250ND-00, REF, DPS-250AB-73A, AC250NS-00, PCA038, TFX0250D5WB, D250AD-01, D250ED-01, DPS-250AB-68 A, F250AD-00, D-0250ADU00-201, PC7068, HP-D2506R0, DPS-250AB-36, H250ED-00, D250E006L, PS-5251-06 | Quality: All Power Supply Are Tested Before Shipping.And our worry-free 18-month warranty, For any reason you're not satisfied, you can ask for a replacement or full refund. | What You Get: A YEECHUN Desktop Power Supply Unit (250W).