Dell PowerEdge R820 Owner's Manual page 120

Drives
Hard drives
Eight–hard-drive systems
Twelve–hard-drive systems
Sixteen or eight plus eight–hard-drive systems
Optical drive
Connectors
Back
NIC
Serial
USB
Video
iDRAC7
Front
USB
Video
External vFlash card
Internal
USB
Internal Dual SD Module (IDSDM)
120
Up to eight 2.5 inch, internal, hot-swappable SAS, SATA
or Nearline SAS hard drives in hard-drive slots 0
through 7.
Up to eight 2.5 inch, internal, hot-swappable SAS,
SATA, SATA SSD or Nearline SAS hard drives in hard-
drive slots 0 through 7 (hard-drive bay 1) and up to four
2.5 inch Dell PowerEdge Express Flash devices (PCIe
SSDs) in hard-drive slots 0 through 3 (hard-drive bay 2).
Up to sixteen 2.5 inch, internal, hot-swappable SAS,
SATA, SATA SSD or Nearline SAS hard drives in hard-
drive slots 0 through 15 or 0 through 7 and 0 through 7.
One optional SATA DVD-ROM drive or DVD+/-RW drive.
NOTE: DVD devices are data only.
Four 10/100/1000 Mbps or two 10/100/1000 Mbps and two
100 Mbps/1 Gbps/10 Gbps
One 9-pin, DTE, 16550-compatible
Two 4-pin, USB 2.0-compliant
One 15-pin VGA
One RJ-45 10/100/1000 Mbps Ethernet
Two 4-pin, USB 2.0-compliant
One 15-pin VGA
vFlash memory card slot
NOTE: The card slot is available for use only if the
iDRAC7 Enterprise license is installed on your
system.
One 4-pin, USB 2.0-compliant
Two optional flash memory card slots with the internal SD
module
NOTE: One card slot is dedicated for redundancy.