High-capacity TL SATA JBOD not only can expand NAS storage, but also Windows & Ubuntu computers & servers. SFF-8088 (or SFF-8644) connection cable supports four SATA 6 Gb/s channels per cable (24 Gb/s in total) & provides faster data transfer speeds than e SATA & USB (Universal Serial Bus). The 250W redundant power supply can ensure maximum system uptime. TL-R1200S-RP Rackmount JBOD storage enclosure means that you can back up & expand your QNAP NAS, Windows & Ubuntu computers & servers. The TL-R1200S-RP features twelve 3.5-inch SATA 6 Gb/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 & backup tasks.