Originally posted by: hairygit1
Do you mean 'which zip drives require their own power supply?',
If that is the question, then definitely the parallel ones do, and i would think the usb ones would as well, but that is only a guess.
Originally posted by: LTC8K6
My USBzip drive stinks, but it only requires the USB cable to run. 😀
Originally posted by: phonemonkey
iomega link
If you check the last column, it'll tell you if it includes a power adapter (if it lists it, it uses external power).