Samsung SSD 990 PRO 1TB 2TB 500GB PCIe Gen 4.0x4 Solid State Drive für Laptop
Bus Type：PCIe Gen 4.0x4. Digital Storage Capacity ：500 GB / 1TB / 2TB. 1MB=1000KB. It is calculation difference between manufacturer and your PC. Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1 GB = 1.00 Billion bytes.