The product is a lot of 10 Crucial and Western Digital 500GB M.2 SSD drives, suitable for laptops and PCs. These black internal SSD drives offer fast transfer rates of 550 Mbps and a storage capacity of 500GB. With a form factor of 2.5 inches and an interface of M.2 and NVMe, these drives are designed for high performance and efficiency in storage and data transfer. The drives come from the P Series product line and have a cache size of 2MB, making them a reliable choice for enhancing the speed and responsiveness of your system.