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This dualbay M.2 expansion card converts PCIe 5.0/4.0 interface to dual M.2 slots, supporting both NVMe and SATAbus solidstate drives. Built with goldplated PCB and P582 control chip, it provides stable highbandwidth transmission. Comes with a metal mounting bracket and SATA power cable, it is a practical highspeed upgrade solution for multidrive storage expansion on home computers, workstations and NAS systems.