HP Compatible Gen7 G7 - 300GB 15K RPM 2.5" SAS 32MB Cache Internal OEM Enterprise Hard Drive in HP Tray Not HP branded WD, HGST, Seagate, or white label hard drive in HP tray 300GB 15K RPM SAS 12G 2.5 inch in HP Gen 1-7 tray Optimized for Server and Storage Arrays, not intended for PC use Server Part Deals Warranty: One Year