The caddy is suitable for desktops for most Dell PowerEdge and PowerVault series that use 2.5inch SAS or SATA drives. Features: Support hot plug 2.5-inch drive bay models Dell PowerEdge and PowerVault series and more. We make this caddy with exquisite quality and sturdy material. Equipped with release button, it is easily replace your cracked or damaged HDD caddy with an outstanding quality new one for installation inside or outside of your server. Integrated welding louver design to accelerate heat dissipation. Equipped with 4 mounting screws for easy installation and fixation. Specification: Item weight: 83g / 2.93oz Item size: 13.6 * 7.6 * 1.5cm / 5.35 * 2.99 * 0.59in (L * W * H) Package size: 16.3 * 9.2 * 2.1cm / 6.42 * 3.62 * 0.83in (L * W * H) Package weight: 103g / 3.63oz Compatible with the following servers with 2.5" hot swap drive bays: For Tecal RH1288 V3 For Tecal RH2288 V3 For Tecal RH2285H V3 For Tecal RH2485 V2 For Tecal RH2268 V3 For Tecal XH621 V3 For Tecal XH311 V3 For Tecal XH620 V3 For Tecal XH320 V3 For Tecal BH621 V3 For Tecal BH622 V3 For E9000 The above list is not complete. Please check your own server to see if the tray looks like the picture or uses one of the IBM part number listed above, and this is a 2.5" drive caddy, not 3.5", please confirm it before purchasing, thank you! Package List: 1 * 2.5inch HDD Caddy Tray 4 * Drive Mounting Screw (User manual and Hard Disk Drive are not included.)