Some computers and Chromebooks only have USB-C or Thunderbolt 3 ports and no USB-A ports. Such devices include all but one of the Apple MacBook Pro and MacBook models currently sold, as well as some some Dell, HP, and Lenovo laptops and the Google Pixel Chromebook.
A USB-A port is rectangular and has been used for about 20 years. A USB-C port is much smaller than a USB-A and is distinct from a mini or micro USB port. Thunderbolt 3 ports are physically the same as USB-C and are compatible with USB-C, but they have additional capabilities.
Computers and Chromebooks with only USB-C ports will require either an adapter or a specialized USB-C cable to use Vernier USB products. Whenever possible, we recommend using a USB-C cable rather than an adapter.
Vernier products come with cables utilizing USB-A for connection to computers and Chromebooks and, in some instances, charging. USB-C cables are sold separately. We offer the following USB-C cables for use with our products USB products:
Which cable you need depends on the type of USB connector the Vernier product uses. Some products use a mini-USB connector, some use a micro-USB connector, and some use a standard USB connector. The table below identifies which cable will work for a particular Vernier product.
**Purchase third-party cables with care. The USB-C standard is new enough that there are some poor quality cables being sold:
For an overview of USB-C connections, see