Dell PowerEdge T420 - Optical Drive; Tape Drive; Table 14. Supported External Storage

25 PowerEdge T420 Technical Guide
Controller
Description
Features
RAID
modes
supported
Form factor
Usage
model
PERC S110
Software
RAID
3Gb/s SATA software RAID
controller that supports up
to 4 physical disks or 8
virtual disks
Supports up to 4
hot-plug SATA drives ,
no expansion, Microsoft
Windows only
0, 1, 5, 10
System
board-
embedded
SATA
Entry-level
Optical drive
The T420 hot-plug chassis supports up to three media bays through one of the following options:
 Up to two SATA half-height DVD-ROM or DVD R/W drive + one SAS interface tape drive
 Up to one SATA half-height DVD-ROM or DVD R/W drive + one internal RD1000 drive + one SAS
interface tape drive
The T420 cabled chassis supports up to two media bays through one of the following options:
 Up to two SATA half-height DVD-ROM or DVD R/W drive
 Up to one SATA half-height DVD-ROM or DVD R/W drive + one internal RD1000 drive/or SAS
interface tape drive
 Up to one internal RD1000 drive + one SAS interface tape drive
Tape drive
The T420 supports the external storage device types listed in Table 14. For additional information,
visit Dell.com/Storage.
Table 14. Supported external storage
Tape devices
Interface cards
LTO5-140 SAS
Internal tape adapter
LTO4-120 HH SAS
Internal tape adapter
LTO3-080 SAS
Internal tape adapter
RD1000 SATA
Onboard SATA
External SAS tape
6Gb SAS HBA
External FC tape
FC HBA
External RD1000
USB