M.2 SSD 820S Utilizing the SATA III 6Gb/s interface, Transcend's ultracompact M.2 SSD 820S is well-suited to address the high-performance needs and strict size limitations of small form factor devices. By using only high-quality flash chips and enhanced firmware algorithms, Transcend's M.2 SSD 820S delivers peerless reliability. Key Features Space-saving M.2 SATA form factor (80mm) for ultra-compact computing devices 3D NAND flash chips SATA III 6Gb/s interface and SLC caching technology for exceptional transfer speeds Engineered with a RAID engine and LDPC (Low-Density Parity Check) coding to ensure data integrity Supports Device Sleep Mode (DevSleep) to prolong notebook battery life by intelligently shutting down SATA interface when not in use Supports S.M.A.R.T., TRIM and NCQ commands