Transcend 256GB SATA III 6Gb/s 2.5 inch SSD 560/530 MB/s TS256GSSD320 Read up to 560MB/s, Write up to 534MB/s Next Generation SATA III 6Gb/s Interface; SandForce Driven Ultra-slim 7mm form factor; TRIM Command support Intelligent Block Management and Wear Leveling; Supports S.M.A.R.T. AES 256-bit Hardware Encryption