Features: Compatible with the following Dell part number: G176J 0G176J T961C 0T961C WX387 0WX387 G281D 0G281D KG7NR 0KG7NR Works with the following PowerEdge server that uses 2.5-inch SAS or SATA drives. PowerEdge 1900, PowerEdge 1950 PowerEdge 2900, PowerEdge 2950 PowerEdge 6900, PowerEdge 6950 PowerEdge R900, R310, R410, R510, R610, R710, R810, R900, R910 PowerEdge R415, R515, R715, R805, R815, R905 PowerEdge R320, R420, R520, R620, R720, R720XD, R820, R920 PowerEdge R430, R630, R730, R730XD, R930 PowerEdge T310, T410, T610, T710 PowerEdge T320, T420, T620 PowerEdge T430, T630 PowerEdge M600, M605, M805, M905, M1000e, PowerVault MD1120, MD1220, MD1420, MD3220, MD3220i, MD3420, MD3620i, MD3620f PowerEdge M610, M610X, M710, M710HD, M910, M915 Precision R5500 * The above list is by no means complete. Please check picture of tray to see if it is what you have. Item Includes: 1*Caddy 4*Screws1-YEAR PRODUCT WARRANTY: Try them out for yourself, install to your server, and if you aren’t happy with the compatibility, or for any reason at all, then we’ll be more than happy to give you an immediate exchange or refund. INSTALL: Suitable DELL servers with 2.5 inch Drive bay chassis and hot-plug backplanes; NOT suitable for servers with a stand-alone backplane or 3.5 inch Drive bay chassis; HDD is not included; NON-OEM/NON-ORIGINAL ACCESSORY PART. COMPATIBILITY: Compatible with the following Dell part number:G176J 0G176J T961C 0T961C WX387 0WX387 G281D 0G281D KG7NR 0KG7NR. Material: metal + plastic increases this model's portability. FIRST: The same PowerEdge server type can have two different sizes of the drive bay. Your server HAS TO HAVE 2.5 inches Hot-Plug Drive Bay. This 2.5 inch Drive caddy supports ONLY 2.5-inch hard drives. Check that your PowerEdge Server or Drive Array is LISTED and supported.