Quick overview from the supplier:
M.2 NVMe SSD 256GB Team Group MP33, Interface: PCIe3.0 x4 / NVMe1.3, M2 Type 2280 form factor, Sequential Reads 1600 MB/s, Sequential Writes 1000 MB/s, Max Random 4k Read 160K / Write 200K IOPS, SLC Caching, ECC, NAND 3D TLC
