A 1.12 GB/s Mini SAS HD 4i to U.2 cable with SATA power Key features - Interface: SFF-8643 36P mini SAS HD 4i male to U.2 SFF-8639 68P male, plus SATA 15-pin female power connector - Power: SATA power provided for U.2 drives - Data rate: PCIe 2.0 up to 2 GB/s; PCIe 3.0 up to 4 GB/s; PCIe Gen 3, 4 lanes, up to 16 GB/s - Conductors: 32 AWG data wires and 24 AWG power wires - Compatibility: Enables bridging between Mini SAS HD hosts/backplanes and U.2 NVMe/SATA storage devices Why you need it - Enables connecting U.2 drives to systems with a Mini SAS HD 4i interface - Bridges SAS backplanes or controllers to U.2 storage, expanding available drive options - Provides both data and power in a single cable for convenient installation Use scenarios - Server expansion: attach a U.2 NVMe or SATA drive array to a host with a SFF-8643 interface for additional storage capacity - Workstation upgrade: connect a U.2 SSD to a SAS/HBA that uses the Mini SAS HD 4i port to improve performance - Data center retrofits: upgrade existing storage backplanes by integrating U.2 drives while preserving power delivery through SATA power Note: All specifications adhere to the original product models and functions: SFF-8643 36P, SFF-8639 68P, SATA power, and PCIe-based data transfer rates.