Dell External OEMR XL R720XD Technical Manual

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Dell External OEMR XL R720XD Technical Manual Manual pdf 25 page image

25 PowerEdge R720 and R720xd Technical GuideThe Dell™ PowerEdge™ R720 and R720xd provide storage expandability that allows you to adapt toyour workload and operational demands. With comprehensive storage options, the R720 andR720xd offer various drive types, internal and external storage controllers, and different chassis andbackplanes for varied numbers of drives.Due to their massive internal storage capacities, the R720 and R720xd are optimized for a variety ofimplementations, including virtual desktop infrastructure (VDI) environments and collaborationsolutions. 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 (available Q2 2012) and CacheCade™ providevastly accelerated performance over previous technologies. Dell Express Flash drives use PCIe lanesto 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 ortraditional solid-state drives.The R720 and R720xd are available in several hot-plug, hard-drive chassis options, as detailed inTable 11. Note that the chassis option must be selected at the point of purchase and cannot bechanged or upgraded later.PowerEdge server Chassis option16 x 2.5” drives8 x 2.5” + 8 x 2.5” drives(with dual RAID controllers)8 x 2.5” drives8 x 2.5” + 4 x Express Flash1 drives8 x 3.5” drives24 x 2.5” drives (front) +2 x 2.5” drives (back)212 x 3.5” drives (front) +2 x 2.5” drives (back) 21Available Q2 20122Back-accessible 2.5” drives are optional