Dell R720 Specifications download pdf (Page 28)

28 PowerEdge R720 and R720xd Technical Guide

6 Storage

The Dell PowerEdge R720 and R720xd provide storage expandability that allows you to adapt to

your workload and operational demands. With comprehensive storage options, the R720 and

R720xd offer various drive types, internal and external storage controllers, and different chassis and

backplanes for varied numbers of drives.

Due to their massive internal storage capacities, the R720 and R720xd are optimized for a variety of

implementations, including virtual desktop infrastructure (VDI) environments and collaboration

solutions. The R720 supports up to 16 and the R720xd supports up to 26 internal 2.5-inch drives.

Features such as Express Flash PCIe solid-state drives and CacheCade provide vastly accelerated

performance over previous technologies. Dell Express Flash drives use PCIe lanes to connect

directly to the processor and chipset and are easily accessible through a hot-plug drive bay.

CacheCade uses Dell PERC storage controllers to accelerate performance over hard drives or

traditional solid-state drives.

Internal storage

The R720 and R720xd are available in several hot-plug, hard-drive chassis options, as detailed in

Table 11. Note that the chassis option must be selected at the point of purchase and cannot be

changed or upgraded later.

Table 11. Chassis options

PowerEdge server

Chassis option

R720

16 x 2.5” drives

8 x 2.5” + 8 x 2.5” drives

(with dual RAID controllers)

8 x 2.5” drives

8 x 2.5” + 4 x Express Flash

drives

8 x 3.5” drives

R720xd

24 x 2.5” drives (front) +

2 x 2.5” drives (back)

12 x 3.5” drives (front) +

2 x 2.5” drives (back)

Back-accessible 2.5” drives are optional

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Dell R720 Specifications Page 28