TL-D800S JBOD storage enclosure allows you to back up and expand your QNAP NAS, Windows® and Ubuntu® computers and servers. The TL-D800S features eight 3.5-inch SATA 6Gb/s drive bays and 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. 1. QNAP recommends following the standard procedure for connecting or disconnecting the TL-D800S. For more information, please see the TL-D800S user manual. 2. The TL-D800S can only be used as an individual storage pool or volume on the NAS. Its storage pool or volume cannot be combined into the connected NAS. NAS applications cannot be installed on the TL-D800S. 3. The TL-D800S only supports QNAP NAS running on QTS 4.4.2 (or above) or QuTS hero operating system.