Grumpy Old Geeks Products USB Killer Product USB Killer 2 mentions in 1 episode The USB Killer is a device discussed for its ability to damage a computer through a USB port. Mentions 177: Benedict Pleepleusbatch Sep 16, 2016 1:13:38 Someone has come up with a USB killer device. 1:14:32 When it gets enough juice, it just starts pounding the port with 240 volts.