Connect from Host Controller with SFF 8611 Connector to your Target U. 3/U. 2 SFF 8639 SSD, Cable length 0.5 m | With SATA 15Pin Power for Additional Use | for Mainboard Intel SSD 750 M. 2 and Oculink SFF-8611 | Hyper Kit Storage controller, Ultra M. 2 Card | Support PCIe 4.0 / 3.0 x4