Swissbit's durabit S-45u microSD series combines latest MLC technology with an innovative controller and a sub-page based firmware that enables unprecedented random write performance and an up to 100 times higher endurance compared to standard microSD card solutions. The special firmware features in the S-45u include powerful built-in error correction, read retry, autonomous data care management, randomizer, wear leveling and bad block management algorithms, and intelligent power fail protection. The Swissbit S-45u microSD memory cards are supported by the Swissbit lifetime monitoring for real time status information. This series fulfills UHS-I, Class 10-speed grade with a sequential data transfer rate of up to 40 MB/s and 650 IOPS for random writes and can withstand extreme environmental conditions and up to 20,000 insertions.