Dell Optiplex 745 755 780 Small Form Factor CPU Heatsink w/ Shroud (JP911 NP048) For The Dell Optiplex 380 740 740e 745 745e 755 760 780 GX520 GX620 Small Form Factor Systems (SFF) For The Dell Dimension Dimension 5100c 5150c XPS 200 210 9200c Small Form Factor Systems (SFF) For The XPS 210 Small Form Factor System (SFF) Compatible Dell Part Numbers: CC079, D9416, H9441, M9018, NP048, UP048, G9583, H895D, MR313 Heatsink & Shroud Assembly (READY TO INSTALL!)