Specification: Item size: 10.5 * 4.4 * 0.65cm / 4.13 * 1.73 * 0.26in(L * W * H) Item weight: Approx.21g / 0.74oz Package size: 10.5 * 4.4 * 0.65cm / 4.13 * 1.73 * 0.26in(L * W * H) Package weight: 41g / 1.45oz Features: Support B KEY M.2 NGFF interface 22*30 m 22*42mm 22*60m SSD Solid State Drives. One 7+9PIN connector and one B-key SATA M.2 connector. Allow the SSD be used as a system disk. It can boot the operation system directly. Driver-free installation.