Transcend's PCIe M.2 SSD MTE400S has a compact form factor and high-quality 3D NAND flash, making it easy to upgrade Ultrabooks, lightweight notebooks, tablets, and handheld gaming PCs. It is designed with multiple firmware optimization technologies, including SLC caching and LDPC ECC mechanism, which improve storage reliability and extend the drive lifespan. The MTE400S is a great choice for boosting the performance of modern work platforms. Featuring the M.2 standard (42mm), a fast PCIe Gen3x4 interface, up to 2,000 MB/s read and 1,700MB/s write speeds, Transcend’s MTE400S SSD is more advanced and efficient than a SATA SSD. The MTE400S delivers higher speeds without sacrificing power to your ultra-thin devices. At just 42mm in length, the MTE400S SSD is ideal for Ultrabooks, lightweight notebooks, tablets, and handheld gaming PCs. Thinner and lighter than normal hard drives, the MTE400S SSD gives your computer a much-needed boost while saving space!