Customer Service & SupportRegarding DisplayPort Cable 2.1 issues and other issues, we will assist you in resolving them within 10 hours. High Speed 80GbpsThe bandwith of Dbilida dp 2.1 cable is support 80Gbps. 16K displayport 2.1 cable meets the VESA standard and supports dynamic HDR 4:4:4 / HDR 10 / HDCP 2.2 and DSC 1.2a. Stable and High-speed transmission without signal loss. The transmission rate of dp 2.0 cable is nearly 3X faster than dp 1.4. It is backwards compatible with dp 1.4 / 1.2. Supports DP, DP++, and DisplayPort++. 16K@60Hz & 4K@240HzThis displayport 2.0 cable supports a high refresh rate of 240Hz. It is no motion blur, screen tearing or flickering. The Dbilida nylon braided displayport cable support 16K@60Hz, 10K@60Hz, 8K@120Hz / 60Hz, 5K@60Hz, 4K@240Hz / 165HZ / 144Hz / 120Hz / 60Hz, 2K@360Hz / 240Hz / 165Hz / 144Hz. 240Hz displayport cable, 165Hz displayport cable. *Note: Please make sure your device and the graphics card supports the refresh rate yo