Lifetime Customer Support: If you experience any issues or cable failure, simply reach out to our dedicated customer service team. We guarantee a prompt response within 12 hours, providing you with the necessary technical support to resolve any concerns. Thunderbolt 4/3 Compatible: The USB-C to USB-C cable works seamlessly with all Thunderbolt 4/Type-C devices and backwards compatible with Thunderbolt 3, USB 3.2 Gen 2, USB 3.2 Gen 2 x 2, USB 2.0, such as monitor, laptop, smartphones, tablets, switch, docking station, external SSD, eGPU. 8K@60Hz & Dual 4K Display: Experience impressive visual and audio quality with the Thunderbolt 4 cable that provides a single 8K @ 60Hz or dual 4K @ 60Hz display support. Connect your laptop or dock to a monitor and enjoy presentations, videos and games on the big screen. 20Gbps Bandwidth: Data transfer up to 20Gbps. It can copy 14 hours of high-definition video or 25,000 photos at 20 Gbps in 2 minute. Silkland Thunderbolt 4 cable requires no additional configuration. Simply plug it in and start directly Attention: The length will affect the transmission speed. Cables with a length less than 10FT support 40Gbps data transmission. Long USB4/Thunderbolt 4 Cable: Supports the latest USB4 standard for up to 20Gbps of bandwidth, 8K video support, and up to 240W charging; Support USB PD 3.1 Extended Power Range (EPR) including 140W, 180W and 240W.