The Internal Mini SAS HD SFF-8643 to Mini SAS SFF-8087 cable is designed for high-speed data transfer between SAS devices and is suitable for various applications, including servers, storage systems, and workstations. 100 Ohm impedance to ensure stable data transmission. Up to 6Gbps data rates. Maintain high signal integrity at high data rates, ensuring reliable data transfer. Being compact and low-profile, allowing for easy routing and installation in tight spaces