Hot-Plug Poweredge Caddy is connecting hard drive to server backplane. Your server backplane is connected to DELL PERC RAID controller. After installation, you can adjust or create RAID Volume from RAID controller menu.
You can find that new type desing has wider compatibility with DELL PowerEdge 14th Generation servers.
Fit for 14th Generation R440 caddy, R640 caddy, R740 caddy, R740xd caddy, R940 caddy, R6415 caddy, R7415caddy, R7425 caddy, XC640 caddy, XC740xd caddy, C6420 Enclosure (not c6420 Sled)