Transcend's SATA III 6Gb/s M.2 SSD 825S comes with a small form factor and high-quality 3D NAND flash, upgrading your Ultrabooks and laptops in a snap. The SSD is designed with multiple firmware optimization technologies like SLC caching and LDPC ECC mechanism, which enhance the storage reliability and prolong the drive lifespan. A great difference can be made with a small upgrade.