The Dell PowerEdge R420 Server is configured to accept these 8TB SATA 6G 3.5 7.2K w/F238F Tray, Hot-Plug Drives.
These Drives are interchangeable in the Dell PowerEdge R420 Server and are compatible with one another.
They are Genuine Dell Drives with Dell Firmware and Serial Numbers designed specifically for your Dell PowerEdge R420.