Space-saving M.2 Type 2280 form factor Up to 560 MB/s read; 520 MB/s write 3D NAND flash memory RAID engine and LDPC coding for data integrity; DDR3 DRAM cache for short access times Supports S.M.A.R.T., TRIM, and NCQ commands Transcend's ultra-compact SATA III 6Gb/s M.2 SSD 830S addresses the high-performance needs and strict size limitations of small form factor devices, best suited for Ultrabooks and thin, light notebooks. Boasting high-quality flash chips, DDR3 DRAM cache, and enhanced firmware algorithms, Transcend's M.2 SSD 830S delivers optimal reliability.3D expansion to break through limitsUnlike the existing planar NAND chips, 3D NAND flash is a type of flash memory in which the memory cells are stacked vertically in multiple layers. 3D NAND is developed to break through density limitations of the 2D planar NAND, and thus can deliver a greater level of performance and endurance.Perfect for your UltrabookCompliant with M.2 form factors Type 2242 and 2280, Transcend's 3D NAND M