Transcend PCIe SSD 400S TS1TMTE400S is a 1 TB M.2 solid-state drive for adding storage to compatible devices. It uses the M.2 2242 form factor and an NVMe PCIe Gen3 x4 interface, with the product sheet stating support for NVMe 1.3.
The drive uses 3D NAND flash with SLC caching. Transcend lists sequential read speeds up to 2,000 MB/s and write speeds up to 1,700 MB/s for this capacity. These are rated maximums; actual results can vary with the host system and workload.
Its single-sided design measures 42 × 22 × 2.23 mm and weighs 5 g. Transcend describes the MTE400S series for upgrades in Ultrabooks, lightweight notebooks, tablets and handheld gaming PCs; suitability depends on the device having a compatible M.2 connection.