The product is a lot of four Western Digital PC SN730 256GB M.2 2280 NVMe PCIe Gen3 x4 Internal SSDs. These SSDs are compatible with laptops and PCs, have a black color, and come from the Western Digital brand. They have a storage capacity of 256GB and use NVMe technology for faster data transfer. The M.2 2280 form factor makes them easy to install as internal SSDs. These SSDs are designed for high performance and are suitable for storing large amounts of data in computers and laptops.