The Western Digital SN740 256GB SSD M.2 2230 30mm NVMe PCIe 4.0 Gen 4 x 4 is a high-performance internal solid-state drive designed for use with laptops and PCs. With a storage capacity of 256GB, this NVMe SSD offers fast transfer rates of up to 550 Mbps and a write speed that is 4 times faster. The slim form factor of M.2 makes it compatible with a wide range of devices, while its sleek black design adds a touch of style to your computer setup. Made by Western Digital, a trusted brand in storage technology, this SSD is a reliable choice for enhancing your system's performance and speed.