2,5" SATA HDD Enclosure M.2 or mSATA SATA 3 6 Gbit/s, write speed up to 520 MB/s Use an M.2 or mSATA SSD as a 2.5" hard disk for your PC or notebook Suitable for M.2 SSD (2230, 2242, 2260, 2280) with B-Key or B+M-Key Suitable for mSATA SSD (full size) Allows booting from the built-in SSD