Backblaze, a San Mateo, California-based backup and cloud storage firm, on Thursday shared data giving us a unique look at the reliability of SSDs over up to four years of use. Before we get into Backblaze's first table, which depicts annualized failure rates (AFRs) for 13 different SSDs models, it's important to note the limited sample size of 2,906 drives and differing number of drives for each model. The longer Backblaze has these SSDs and puts them through their paces, the more insight it will be able to provide about SSD reliability