Internal drive bay and hot-plug backplane: Up to 16 x 2.5” HDD: SAS, SATA, Near-line SAS SSD: SAS, SATA Up to 8 x 3.5” HDD: SAS, SATA, Near-line SAS SSD: SAS, SATA
Datasheet: T420 spec sheet
18TB SAS 12Gb/s 7.2K RPM 3.5" HDD for Dell PowerEdge Servers | Enterprise Drive in 13G Tray
Refurbished: 16TB SATA 6Gb/s 7.2K RPM 3.5" HDD for Dell PowerEdge Servers | Enterprise Drive in 13G Tray
Refurbished: 18TB SAS 12Gb/s 7.2K RPM 3.5" HDD for Dell PowerEdge Servers | Enterprise Drive in 13G Tray
Refurbished: 24TB SATA 6Gb/s 7.2K RPM 3.5" HDD for Dell PowerEdge Servers | Enterprise Drive in 13G Tray
Refurbished: 22TB SATA 6Gb/s 7.2K RPM 3.5" HDD for Dell PowerEdge Servers | Enterprise Drive in 13G Tray
Refurbished: 20TB SAS 12Gb/s 7.2K RPM 3.5" HDD for Dell PowerEdge Servers | Enterprise Drive in 13G Tray
Refurbished: 20TB SATA 6Gb/s 7.2K RPM 3.5" HDD for Dell PowerEdge Servers | Enterprise Drive in 13G Tray