Dell PowerEdge R720 Technical Guide - Page 27

Table 13 lists the types of external storage devices supported by the R720 and R720xd. Device type External tape NAS / IDM appliance software Dell PowerVault NAS PowerVault DAS PowerVault SAN PowerVault IDM Description Supports connection to external USB tape products (supports boot from Dell PowerVault™ RD1000) Supports connection to external SAS tape products Supports connection to external FC tape products Supports connection to external SCSI tape products (legacy support only) Supports connection to external iSCSI tape products Supports NAS software stack Supports connection to current PowerVault NAS (Network Attached Storage) products Supports connection to current PowerVault direct-attach storage (DAS) (including JBOD and RBOD enclosures) products Supports connection to current PowerVault storage area network (SAN) (including Dell EqualLogic™, iSCSI, Dell-EMC arrays, and JBOD disk enclosures) products Supports connection to current PowerVault intelligent data management (IDM) (archive solutions, de-duplication, B2D, and data-protection appliances) products Dell provides highly capable RAID options for you to ensure that your data remains safe. Dell's RAID controller options offer impressive performance improvements, including the following features:  FastPath™ I/O: This feature can help accelerate performance when operating on SSDs.  Split mirror: This function allows you to break mirrored disk connection in order to quickly replace a drive.  Physical disk power management (Dimmer Switch™): This feature allows for power control of spare or idle drives, which can save energy and operating expenses. The newest line of PowerEdge RAID Controllers (PERCs) offer high I/O performance for a variety of uses, including database applications and streaming digital media environments. The PERC S110 is supported on the R720 (3.5-inch chassis only) and is not supported on the R720xd. 27 PowerEdge R720 and R720xd Technical Guide