High-capacity TL SATA JBOD not only can expand NAS storage, but also Windows(R) and Ubuntu(R) computers and servers. SFF-8088 (or SFF-8644) connection cable supports four SATA 6Gb/s channels per cable (24Gb/s in total) and provides faster data transfer speeds than eSATA and USB. The 250W redundant power supply can ensure maximum system uptime. TL-R1200S-RP Rackmount JBOD storage enclosure allows you to back up and expand your QNAP NAS, Windows(R) and Ubuntu(R) computers and servers. The TL-R1200S-RP features twelve 3. 5-inch SATA 6Gb/s drive bays, TL-R1200S-RP comes with a QXP PCIe card for connecting the enclosure using a SFF-8088 (or SFF-8644) cable. It provides reliable read/write performance for smooth storage and backup tasks.