- This Belkin USB cable supports up to 240 W power, so you can charge your devices quickly  - Move your data in no time with its 20 Gbps transfer speed - It supports 4K video at 60 Hz, so you can enjoy clear visuals and lag-free streaming - You can use it to connect your Thunderbolt 3 and 4 devices to transfer data - Your cable won't wear out soon thanks to its durable and fire-resistant material