Massive Capacity: 2TB of premium Samsung V-NAND storage. Interface PCIe Gen 4.0 x4 / Gen 5.0 x2. Model 990 EVO Plus (MZ-V9S2T0). Flexible Interface: Supports bothPCIe 4.0 x4 andPCIe 5.0 x2 lanes for maximum compatibility with both current and next-gen motherboards.