Features: Realize Nvme hard disk adapter to 4-port SATA3 port, provide efficient storage expansion and data transfer solution. Support Nvme M.2 adapter to 4-port SATA3 port, to meet users' drive management needs and improve data transfer efficiency. Includes MiniSAS cable to simpliies connection step and ensure stable data transfer. With good heat dissipation performances to ensure long time stable operation of the hard disk. for Expanding hard drive interfaces to increase computer storage capacity and performances. Specifications: Size:about 42x22mm/1.65x0.86in Item PCIE3.0 to 4 Port SATA3 Expansion Card Chip: JMB585 With MiniSAS Cable/ Nvme HArd Drive Adapter Cable Package Includes: 1Set PCIE3.0 to 4 Port SATA3 Expansion Card note: Due to problem of lighting effect, there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.