The product is a 256GB M.2 SATA III SSD with Windows 11 Pro UEFI installed and activated. It is compatible with laptops and PCs, with a read speed of 550MB/s and a transfer rate of 550 Mbps. The SSD is of internal type and has a storage capacity of 256GB, utilizing both M.2 and SATA/NVMe interfaces. It is suitable for various models and comes from multiple trusted brands, making it a reliable choice for enhancing the performance and storage capabilities of your computer system.