Transcend's 830S ultra-compact SATA III 6Gb/s M.2 SSD comes with 512GB capacity and addresses the high-performance needs and strict size limitations of small form factor devices, best suited for Ultrabooks and thin, light notebooks, it also boasting high-quality flash chips, DDR3 DRAM cache, and enhanced firmware algorithms, Transcend's M.2 SSD 830S delivers optimal reliability. In this SSD the 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. This 830S SSD is compliant with M.2 form factors Type 2242 and 2280, Transcend's 3D NAND M.2 SSDs are perfect for use in Ultrabooks and lightweight notebooks. In this SSD, the M.2 SSD 830S provides 1.5 times faster boot time than conventional hard drives. Measured at just 80mm in length, the M.2 SSD 830S makes for an easy upgrade to your computer, taking up little space while giving it a much needed energy boost. It maximizing high-performance computing, the M.2 SSD 830S features 4k random file read and write speeds up to 90,000 IOPS that deliver incredibly short loading times and almost instant response for heavy graphics and multimedia applications. In this SSD, the M.2 form factor enables expansion and integration of functions onto a single form factor module solution. M.2 SSDs include a smaller form factor but with larger capacities than that of mSATA and half-slim SSDs. This 512GB Transcend SSD comes with 03 years of warranty.