Qnap TL-R400S-US 4-bay 1U rackmount SATA JBOD expansion unit with a QX

4-bay 1U rackmount SATA JBOD expansion unit with a QXP-400eS-A1164 PCIe SATA host card and 1 SFF-8088 to SFF-8088 SAS/SATA 6Gb/s external cables.