1、Adopt silver-plated copper wire, the speed can be up to 12Gbps, with u.2 SSD, the maximum speed can reach 3500MB/s. 2、In line with SFF-8643 TO SFF-8639 standard, excellent performance. 3、High quality connector wire, durable and long-lasting. 4、Suitable for cloud computing, data centers, servers, high speed network cards, big data storage, RAID disk arrays. 5、Compatible hard drives: Support for Samsung 983 DCT, PM963, for Intel P4510, P3500, P3600, 750 series, P3700 series 900, P3520 U.2 nvme SSD. Features: Adopt silver-plated copper wire, the speed can be up to 12Gbps, with u.2 SSD, the maximum speed can reach 3500MB/s. In line with SFF-8643 TO SFF-8639 standard, excellent performance. High quality connector wire, durable and long-lasting. Suitable for cloud computing, data centers, servers, high speed network cards, big data storage, RAID disk arrays. Compatible hard drives: Support for Samsung 983 DCT, PM963, for Intel P4510, P3500, P3600, 750 series, P3700 series 900, P3520 U.2 nvme SSD. Specification: Material: Silver plated copper wire Length: about 50cm / 19.69inch Channel: 4 channels Transmission speed: 12Gbps / sec Supported hard drives: for Samsung 983 DCT, PM963, for Intel P4510, P3500, P3600, 750 series, P3700 series 900, P3520 U.2 nvme SSD Interface: SFF-8643, SFF-8639 (U.2) Package list: 1 * U.2 Cable