BLACK SN850P 4TB Internal SSD PCIe Gen4 x4. Storage Capacity: 4000 gigabytes. Storage Drive Type: SSD. Maximum Read Speed: 7300 megabytes per second. Maximum Write Speed: 6600 megabytes per second. Nterface(s): PCIe Gen 4 x4. Product Compatibility: PlayStation 5, Desktop computers. Minimum System Requirements: PlayStation 5, Computer with M. 2 (M-key) port, capable of taking M. 2 2280 form factor, Windows 11, 10, 8.1. NAND Flash Memory Type: 3D NAND. Any product you return must be in the same condition you received it.