Lite On Plextor PX-512M5Pro Xtreme Series 2.5-Inch 512GB SATA III MLC Internal Solid State Drive Key Features: Random read/write up to 100,000/88,000 IOPS. Sequential read/write 540/470 MB/s. TrueSpeed Technology for sustained high performance. TrueProtect Technology for highest data protection, Supports AES-256 encryption. Windows 8 compatible. Exclusive True Speed technology is designed to prevent drastic drops in read/write speeds that normally occur with SSDs after a prolonged use or when data become heavily fragmented. Full drive encryption with an AES-256 bit algorithm and confidentiality of data through the 128-bit error correction code built in US Government AES-validated Marvell controller, programmed with Plextor's exclusive firmware. The M5Pro Xtremes high quality and reliability is backed by an iron-clad 5-year warranty from Plextor for total peace of mind.