Vantec NexStar SX (VANTEC NST-M2STS3-BK ENCL)- Internal Interface: 1 x M.2 (NGFF, B-Key), External Interface: Standard USB 3.0 Micro-B, Computer interface: USB Type A required, Connectivity: USB 3.0 Micro-B and USB 3.0 Type A, 475mm / 18 inches, M2 Size: Length support 22x42mm, 22x60mm or 22x80mm, M2 SSD Support: M.2 (NGFF), B Key or B+M Key (will not support NVMe module), Dimensions: 110 x 40 x 9.5 mm / 4.3 x 1.6 x 0.4 inches, Weight: 68 grams / 2.4 oz.