This article is about the Clarett and Red series.

The maximum length of a Thunderbolt cable to be used to connect a Clarett interface or a Red 4Pre is:

• 3m (9.8 ft) if it is a copper cable
• Optical Thunderbolt cables can be used up to 100m (328 ft) in length.

This is the maximum cable length allowed by the Thunderbolt standard.