240GB TLC 7mm SATA III Internal 2.5" SSD. Engineered for long-term real-world use, you'll experience speeds up to 530MB/s read and 450MB/s write, up to 100x greater data reliability than a costly Enterprise class HDD, and access times up to 50x faster than a conventional HDD. It's SATA 6G ready, but backward compatible with SATA 3G and 1.5G machines too making this 240GB SSD the upgrade solution for everything from a desktop workhorse to the latest ultra-thin laptop.