M.2 SSD 430S TS128GMTS430S Transcend's ultracompact M.2 SSD 430S, adopting the SATA III 6Gb/s interface and DDR3 DRAM cache, is well-suited to address the high-performance needs and strict size limitations of small form factor devices. By using only high-quality NAND flash and enhanced firmware algorithms, Transcend's M.2 SSD 430S delivers peerless reliability. Features: Space-saving M.2 SATA form factor (42mm) for ultra-compact computing devices 3D NAND flash memory DDR3 DRAM cache 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 Specifications: Dimensions (Max.)42.0 mm x 22.0 mm x 3.88 mm (1.65" x 0.87" x 0.15") Weight (Max.)8 g (0.28 oz) Bus InterfaceSATA III 6Gb/s Flash Type3D NAND flash Capacity128 GB Operating Temperature0°C (32°F) ~ 70°C (158°F) Operating Voltage3.3V±5% Read Speed (Max.)550 MB/s Write Speed (Max.)480 MB/s