SanDisk Extreme PRO SSD 250 GB 500 GB 1 TB 2 TB M.2 2280 NVMe 3D per laptop desktop

Interface Type：M.2 2280. Digital Storage Capacity ：250 GB /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.

eBay