For PowerEdge 14th Generation: R240, R340, R440, R540, R640, R740, R740xd, R740xd2, R6415, R7415, R7425, XC Series appliances XC640-10, XC740xd-12 and C6420/25 enclosure, Precision 3930 Rack and 7920 Rack.
The same for 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.
Note: This hard drive bracket is only suitable for installing 3.5-inch hard drives and cannot be used for 2.5-inch hard drives,
You'll receive: 4 x HDD Tray Caddies; 16 x Caddy Mounting Screws