I'll never understand why manufacturers present their customers must still sell for stupid. If I buy a USB flash drive, which is sold with the indication 64GB, then I expect that since at least 60GB draufpassen (so "realistic" one is by now). But 57 and some change I find simply an impertinence. Otherwise the drive runs smoothly on Raspberry Pi, which was very important to me. Heat development I could find a high. But do not know how far that is not easy insulated through the housing with the usual plastic sticks.