Taken from working HP laptop. Secure erased. Power on hours 599.The HP SanDisk 7368 256GB SATA M.2 Solid State Drive SD8SNAT-256G-1006 Z4000s is an internal SSD designed for use with laptops and PCs. It offers a storage capacity of 256GB and a transfer rate of 550 Mbps, making it ideal for faster boot-up times and data access. The drive utilizes M.2 interface technology and a cache size of 256MB for efficient data processing. With a storage format that combines both HDD and SSD technologies, this SSD provides reliable storage solutions for various devices.