This is because a single SFF-8088 connector on a SAS Expander-enabled controller can connect to a large SAS Expander-enabled enclosure, This 4x Mini-SAS cable features universal keyed 26-pin SFF-8088 cable pull to release connectors. The lanyard disconnect pull-to-release connector is compatible with all mini-SAS ports. In fact, many makes of SFF-8088 cables look like four 7-pin cables were sheathed together and terminated at each end by SFF-8088 endpoints. SFF-8088 connectors tend to have locking mechanisms that snap into place when a cable is inserted. This generally keep the connections secure over time even if there is minor chassis movement and vibration. The T10 technical committee of the International Committee for QSFP-H40G-?CU1M – Compatible Cisco 40GbE QSFP+ QDR Direct-Att?ach Copper Cable 1m Information Technology Standards (INCITS) develops and maintains the SAS protocol; the SCSI Trade Association (SCSITA) promotes the technology.QSFP+ (Quad Small Form-factor Pluggable) to MIniSAS SFF-8088 cable hybrid cables are designed for high-density Serial Attached SCSI (SAS) applications. The SAS cable features a SFF-8088 (external mini-SAS) connector and a SFF-8088 (external mini-SAS) connector that supports data transfer rates up to 6 Gbps.The SFF-8088 to SFF-8088 cable is constructed of high quality materials and is backed by StarTech.com''s Lifetime Warranty.