15m USB 3.0 Active Extension Pro Extend USB 3.0 connections up to 40m The Lindy USB Active Extension Cable Pro is a high performance active cable that allows access to USB 3.0 SuperSpeed peripherals over long distances. With support for data transfer speeds of up to 5Gbps this extension cable is perfect for transferring large data volumes quickly and reliably. This 15m extension cable can be used standalone or as part of the Lindy USB 3.0 Active Extension System Pro. This system is a modular solution that can combine multiple USB Active Extension Pro cables and a USB 3.0 Active Extension Pro hub to distribute USB signals to up to 4 devices at about 40m (depending on the cable configurations used).