Experience faster, more powerful laptop performance with the Samsung 840 Evo 2.5" SSD. High acceleration The 840 EVO provides rapid read & write times to improve efficiency on your machine with the new 3-bit MLC NAND flash memory from Samsung storing data quickly & safely. Revolutionary Turbo Write technology boosts write rates & improves the overall performance of your laptop. System-level performance is enhanced by switching on the RAPID cache function on the included Samsung Magician software. This shifts the performance into a higher gear for a more commanding QD1 random write performance to almost equal QD32. Unmatched reliability The Samsung 840 Evo has a shock-resistant shell that is immune to vibrations & high temperatures. This reliable SSD is built to last & comes with a 3-year guarantee for added peace of mind. With Samsung's Self-Monitoring Analysis & Reporting Technology (SMART), you can track your SSD's health stability. Samsung's Dynamic Thermal Guard Algorithm in the 840 EVO 's firmware monitors the temperature to prevent it from overheating. Secure encryption The 840 EVO 's Self-Encrypting Drive (SED) security technology prevents data breaches & ensures your personal data remains secure, even if you lose your laptop. The encryption engine secures data without compromising on the overall performance. Energy efficient, blazingly fast & durable, the sleek Samsung 840 Evo 2.5" SSD is a high-performing component that will change your everyday computing.