Storage; Internal Storage - Dell PowerEdge R820 Technical Manual

The Dell PowerEdge R820 supports extensive internal and external storage options, internal and
external storage controllers, and different chassis and backplane options for a varied number of
drives.
Features such as Express Flash PCIe solid-state drives and CacheCade™ provide accelerated
performance over previous technologies. Express Flash drives use PCIe lanes to connect directly to
the processor and chipset and are easily accessible by hot-plug drive bay. CacheCade uses Dell
PERC storage controllers to accelerate performance over hard drives or traditional
solid-state drives.
The R820 supports the following internal storage options:

8 x 2.5-inch drives

8 x 2.5-inch drives plus 4 x 2.5-inch Express Flash PCIe solid-state drives

8 + 8 x 2.5-inch drives

16 x 2.5-inch drives
A system cannot be upgraded or reconfigured after point of purchase.
The R820 supports up to sixteen 2.5-inch hard drives or solid-state drives. Table 12 lists more
information about these drives. For additional information, see Dell.com/PowerEdge.
Form Type
factor
SATA (3Gb)
Nearline SAS (6Gb)
SAS (6Gb)
SAS (6Gb)
SAS SSD (SLC, 6Gb)
SATA SSD (MLC, 3Gb)
Express Flash PCIe SSD (SLC)
21 PowerEdge R820 Technical Guide
Speed Capacities
(rpm)
7.2K 250GB, 500GB, 1TB
7.2K 500GB, 1TB, 1TB SED
10K 300GB, 600GB, 900GB, 900GB SED
15K 146GB, 300GB, 300GB SED
N/A 200GB, 400GB
N/A 100GB, 200GB
N/A 175GB, 350GB