For laptop and other mobile computing device users, this is an affordable SSD (Solid State Drive) alternative to Hard Disk Drives. SSD drives offer a host of benefits over traditional hard disk drives especially for notebooks. Cool and silent running, low battery usage, fast data access, dependable performance and resistance to temperature, shock, vibration and humidity make SSD ideal for the mobile computing environment. The Ridata SSD features no moving parts making it resistant to vibration, shock, humidity and temperature extremes. It is very reliable with more than 4,000,000 hours Mean Time Between Failures (MTBF). Data integrity is ensured by static wear leveling and Reed-Solomon ECC (RS- 6 symbols). With SMART features and write endurance cycle (P/E) up to 1,000,000 times (depending on capacity used), the Ridata SSD drive is built to keep data safe and secure. The Ridata 64 GB and 128 GB Ridata Ultra-S Plus MLC features MLC technology, the drive stores two bits of data per cell, providing consistent, fast performance and extremely low-power consumption at a more affordable cost. The Ridata SSD is lightweight and ideal for the performance-driven and rugged environments that laptops and other mobile computing devices experience. Compatibility with current laptops is ensured by a traditional Serial ATA (SATA) connection with 7-pin signal segment and 15-pin power segment.