If you're paranoid concerned about data security, what's the easiest way to permanently dispose of an old hard drive? Shredbox says that the machine images each drive and identifies its type using AI, subsequently applying suitable crushing parameters. You'd have shattered platters that would make data recovery impractical for all but the very highest priority efforts, and even then you might not be able to guarantee recovery. Shredbox says their device offers "complete data security, chain of custody, and responsible recycling in one solution." It's also said to be low power, pulling 10 amps, which this 110 / 120 V machine to run on a 12 V power inverter if need be.