Dell Compatible - OEM Kits - Mfg Equivalent Part # 342-2976 900GB 10000 RPM 2.5" SAS hard drive. (Comes with Drive and Tray) Unbranded/Generic New Enterprise Grade 24/7 Cycle Duty hard drives selected to Dell Specifications - 100% Dell Compatible WD, Seagate, HGST or White Label HDD installed in Genuine DELL Caddies Optimized for Server and Storage Arrays, not intended for PC use.