There’s probably worse, but off the top of my head, a Sandisk Curzer Fit USB 3.0 drive. It would overheat about 15 seconds into a file transfer and throttle to well below USB 2.0 speeds, perhaps even USB 1.1. I tried to alleviate the issue by using it through a USB 2.0 extender (thereby ruining its entire appeal to compactness), but it developed bad sectors soon enough. It was satisfying smashing it to bits with a hammer though.
There’s probably worse, but off the top of my head, a Sandisk Curzer Fit USB 3.0 drive. It would overheat about 15 seconds into a file transfer and throttle to well below USB 2.0 speeds, perhaps even USB 1.1. I tried to alleviate the issue by using it through a USB 2.0 extender (thereby ruining its entire appeal to compactness), but it developed bad sectors soon enough. It was satisfying smashing it to bits with a hammer though.