HD Mini SAS - U.2 cables provide high speed connectivity between SFF 8643 internal SAS controllers and U.2 SFF 8639 NVMe or SAS storage devices. These assemblies use SFF 8643 to SFF 8639 connectors and support SAS 3.0 and U.2 interface requirements for enterprise SSD integration. They are commonly used in servers, high performance storage arrays, and mixed protocol backplanes requiring both power and data delivery. Multiple lengths and configurations ensure reliable operation across internal applications with support from DataStorageCables.