Samsung 990 EVO 1TB PCIe Gen4/5 NVMe SSD 5000MB/s 4200MB/s R/W 680K/800K IOPS 600TBW 1.5M hrs V-NAND TLC AES 256-bit Encryption 5yr wty Capacity 1TB Form Factor M.2 (2280) Interface PCIe® 4.0 x4 / 5.0 x2 NVMe™ 2.0 Sequential Read Up to 5,000 MB/s * Performance may vary based on system hardware configuration Sequential Write Up to 4,200 MB/s * Performance may vary based on system hardware configuration Application Client PCs Weight Max 9.0g Weight Warranty 5-year Limited Warrantyor 600 TBW Limited Warranty