Samsung SSD 990 PRO 1 TB 2 TB 500 GB PCIe 4.0 NVMe M.2 unità a stato solido per laptop
Samsung SSD 990 PRO 1TB 2TB 500GB PCIe Gen 4.0x4 Solid State Drive. Digital Storage Capacity ：250 GB /500 GB / 1TB. Bus Type：PCIe Gen 4.0x4. 1MB=1000KB. It is calculation difference between manufacturer and your PC.