This 2 slots adapter card is for M key M.2 NGFF SSD to PCI-E X4, and B key M.2 NGFF SSD to SATA. It is designed for M key and B key SSD to connect motherboards PCI-e slot and SATA port. Supports SATA-based B key and PCI-E 4X-based M key NGFF SSD.
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