The Transcend 425S 250GB M.2 2242 SATA SSD has a tiny form factor and high-quality 3D NAND flash, making it ideal for upgrading Ultrabooks and laptops. The SSD is built with numerous firmware optimization methods, such as SLC caching and an LDPC ECC mechanism, to improve storage reliability and drive longevity. A simple update may make a big difference. Transcend's M.2 SSD 425S, which has the M.2 standard (42mm), the mainstream SATA III 6Gb/s interface, and a strong controller achieves exceptional read and writes speeds of up to 500MB/s and 330MB/s, respectively, giving 1.5 times quicker boot time than traditional hard drives. The M.2 SSD 425S is designed to maximize high-performance computing by offering 4k random file read and write rates of up to 75,000 IOPS. It has extremely fast loading rates and virtually quick reaction times for heavy graphics and multimedia applications. The M.2 SSD 425S is designed to maximize high-performance computing by offering 4k random file read and write rates of up to 75,000 IOPS. It has extremely fast loading rates and virtually quick reaction times for heavy graphics and multimedia applications. The M.2 SSD 425S has a height of only 42mm, making it excellent for Ultrabooks and lightweight laptops. The M.2 SSD 425S is thinner and lighter than standard hard drives, giving your computer a much-needed boost while conserving space Despite its compact size, the M.2 SSD 425S offers sophisticated capabilities that allow data to be stored more consistently and the SSD to last longer. The Transcend 425S 250GB M.2 2242 SATA SSD comes with a 03-year warranty.