QNAP TL-D400S - 4-Bay + QXP-400eS-A1164

Storage Expansion for your QNAP NAS, Windows, and Ubuntu computers and servers. High-Performance Desktop SATA 6Gbps JBOD Storage Enclosure. 4 x 3.5-inch SATA 6Gb/s, 3Gb/s (Diskless). 1 x QXP-400eS-A1164 PCIe SATA card. 1 x SFF-8088. Runs QNAP QTS / QTS Hero. Includes 1 x Mini SAS Cable (SFF-8088 to SFF-8088). The TL-D400S can only be used as a separate storage pool or volume on your QNAP NAS. It cannot be combined with an existing storage pool/volume.