TS-459U-RP+ is QNAP"s new generation four-bay Turbo NAS server with iSCSI, designed for users who are looking for a large storage center to store, back up, share thousands of multimedia files or expand the storage capacity. Equipped with powerful Intel Atom D525 Dual Core 1.8 GHz embedded CPU and 1GB DDRIII memory, supports 2.5" or 3.5" SATA hard drive, and delivers ultra high speed performance yet maintains extremely low power consumption. Redundant Power Supply.