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ST538 8-Port SFF-8643 to PCIe 3.0 X16 adapter card adopts PEX8749 main control chip, providing reliable and high-efficiency signal conversion performance. It can expand one PCIe 3.0 X16 interface into eight SFF-8643 ports, perfectly compatible with U.2, U.3 and M.2 NVMe solid state drives. Supports RAID storage mode, ideal for building high-density storage arrays, data center servers and professional workstations. Optimized circuit layout ensures stable bandwidth output and continuous reliable operation under high load.