Dell Compatible - 600GB 15K RPM SAS 3.5" HD - Mfg # 3R6PW Guaranteed compatible w/ the following PowerEdge Servers: 1950, 1950, 1950iii 2900, 2900iii, 2950, 2950iii, 2970 6850, 6950, 840, 860 R200, R300, R900, R905 SC140, SC145, SC440 T100 T105 T300 Note: this list is not all-inclusive and additional PowerEdge Models and some MD PowerVault Arrays may apply Part# 3R6PW Original Dell 600GB 15000 RPM 3.5" SAS hot-plug hard drive. (these are 3.5 inch drives) Comes w/ drive and tray for your PE-Series PowerEdge Servers. 1 Year Full Warranty Genuine Original