Garmin recommends using a Garmin-branded USB cable to connect an automotive device to the computer. There are two types of USB cables that are used by Garmin devices. The following devices use a micro-USB cable to connect to the computer:
Devices not included in this list use a mini-USB cable to connect to the computer.
1 This does not include the 3507 and 3508 series.
Micro-USB cable: https://buy.garmin.com/en-US/US/shop-by-accessories/cables/microusb-cable/prod67646_010-11478-01.html
Mini-USB cable: https://buy.garmin.com/en-US/US/shop-by-accessories/cables/usb-cable/prod1345_010-10723-01.html