The SanDisk Optimus GX 7100 500GB M.2 2280 NVMe PCIe 4.0 x4 is a high-performance internal SSD designed for use with PCs. With a sleek black design and a storage capacity of 500GB, this SSD offers fast read speeds of up to 6800MB/s and write speeds that are 4 times faster. It is compatible with Windows 10+ operating systems and comes with a 5-year manufacturer warranty. Featuring a form factor of M.2 2280 and an interface of NVMe PCIe 4.0 x4, the SanDisk Optimus GX 7100 is a reliable choice for those looking to enhance their system's storage capabilities.