Quick and easy setup with DRIVECADDY Hot-Plug caddy! Press the release button to open the release handle and slide the hot plug caddy inside or outside of your server. The Hot-Plug DRIVECADDY tray 3.5 is for connecting a hard drive to a server backplane. Your server backplane is connected to a PERC RAID controller. After installation, you can adjust or create RAID volumes from the PERC RAID controller menu. DRIVECADDY hard drive trays are the complete package! DRIVECADDY 3-PACK Drive Enclosure Bracket 16 Mounting Screws Screwdriver 2-Year Warranty DRIVECADDY Design and Packaging! Our drive trays are checked one-by-one and packed carefully to ensure safe shipping. You will receive your sturdy drive tray along with all the screws you need for immediate installation. Our newly designed 3.5-inch hard drive trays are compatible with a wider range of DELL PowerEdge 14th-16th Generation servers. The same PowerEdge server type can have two different sizes of the drive bay. Your server HAS TO HAVE bigger 4.2 inches Hot-Plug Drive Bay. This 3.5-inch Drive caddy supports 3.5-inch hard drives. PowerEdge 16th Generation - bigger 4.2 inches Hot-Plug Drive Bay: T560 caddy, R660 tray, R660xs frame, R6615 enclosure, R6625 holder, R7615 carrier, R7625 case, R760 chassis, R760xs mount, R760xd2 bracket, HS5610 framework, HS5620 support PowerEdge 15th Generation - bigger 4.2 inches Hot-Plug Drive Bay: R250 caddy, R350 tray, T350 frame, R450 enclosure, T550 holder, R550 carrier, R650 case, R650xs chassis, R750 mount, R750xs bracket, R6515 framework, R6525 support, R7515 caddy, R7525 tray PowerEdge 14th Generation - bigger 4.2 inches Hot-Plug Drive Bay: R240 frame, R340 enclosure, R440 holder, R540 carrier, R640 case, R740 chassis, R740xd mount, R740xd2 bracket, R6415 framework, R7415 support, R7425 caddy Bigger 4.2 inches Hot-Plug Drive Bay: XC640-10, XC740xd-12 XC Series appliances. C6520, C6420/25 enclosure. Precision 3930 Rack and 7920 Rack.