Vantec M.2 NVMe + M.2 SATA SSD PCIe X4 Adapter (VANTEC UGT-M2PC200 ADP)- PCIe Interface: PCIe v3.0 or PCIe v2.0 x4 (4 lanes), Internal Interface: 2 x M.2 (NGFF), Primary M2 Type: NVMe or AHCI SSD using M Key only, Secondary M2 Type: SATA SSD using B Key, M.2 size: Length support 22x42mm, 22x60mm or 22x80mm, Power Supply: PCIe Bus powered (3.3V), Dimensions: 5.8 x 4.7 x 0.7 inches / 148 x 120 x 17 mm, Weight: 3 oz. / 85 g