Optical Drives; Tape Drives - Dell External R720 T Technical Manual

The PowerEdge R720 supports one of the following internal optical drive options:

DVD-ROM

DVD+RW
The R720xd does not support an internal optical drive.
The R720 supports the Dell PowerVault RD1000 internal backup device on the 2.5-inch chassis only.
Internal tape drives are not supported on the R720, and the R720xd does not support any internal
backup device.
PowerEdge R720 and R720xd Technical Guide
31