Features: SlimSAS SFF8654 4i male connector to U.2 SFF-8639 port. This cable can be used to connect internal devices with SFF-8639 connector to controller with SlimSAS SFF-8654 4i connector. High-Frequency tinned-copper, 32AWG tinned-copper, provide reliable connection. Small size connector and cable save devices space. Applications for servers, data storage, desktops and workstation. Specifications: Specification Name: SlimSAS to U.2/SFF8654 4i to SFF8639 Protocal: Support PCIE4.0 Material: 32AWG Tinned-copper Total Cable Length: Approx. 50cm/19.6inch SATA-cable: Approx. 15cm/5.90inch Applications: for Servers, Data Storage, Desktops and Workstation Package Includes: 1x Adapter Cable note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different display resolution.