12Gbps Transmission Speed Slimline SAS server cable ensures fast and stable single-channel data transfer. SFF-8654 4i to 4i Interface Connects SFF-8654 4i 38P to SFF-8654 4i, designed for server and storage applications. 10 Ohm Impedance Control Provides reliable electrical performance and reduces interference. Durable & Flexible Build Blue cable design, available in 0.5 m, 0.8 m, and 1.0 m lengths, easy for server rack installation. Wide Compatibility Compatible with D-ELL, H-P, Supermicro, and other enterprise server brands, ideal for IT professionals.