1.Upgraded fiber optic HDMI 2.1 cable model: resolution up to 8K@60Hz, 4K@120Hz, transmission speed: 48Gbps. Support VRR, HDR, eARC, DOLBY; support RTX 3070/3080/3090 working at 4K@120Hz. 2. This high-speed HDMI cable protects against corrosion and the shielding completely omits electromagnetic interference 3. The transmission rate of this HDMI 2.1 fiber cable is higher than common HDMI copper cable, traditional HDMI copper cable can not transfer 4K@60Hz for long distance 4. Durability & Flexible: 24K Gold-plated plug is strong conductivity and stable signal.Slim and flexible cable with bending radius more than 20mm for easy installation in tight areas.5. Note: It must be installed in the correct direction: cables with SOURCE plugs for connecting HDMI source devices (laptops, Blu-ray players, set-top boxes, etc.); for connecting HDMI display devices (HDTV, projectors, monitors, etc.) DISPLAY plug HDMI EVOLUTION HISTORY Optical fiber cable Fiber optic cable reduces signal loss and improves stability Can't forcefully fold in half Wide Compatibility 8KHDMI2.1ULTRA HD HIGH SPEED CABLE HDMI 2.1 support 48Gbps bandwidth, high speed and stable transmisson 0 POLICE HDMI 2.1 HDMI2.0 HDMI2.1 48Gbps HDMI2.0 18Ghps HDMI 1.4 10.2Gbps HDMI 2.1 support 48Gbps bandwidth, high speed and stable transmisson A TRUE 3D GAME WORLD FOR GAME ENTHUSIASTS Supports ALLM, VRP and QFT, which decreases and frame tearing for smoother game interaction SEVERAL FUNNY MODES MIRROR MODE Display the same scenes in different screenEXTENDED MODE Show different scenes in different screen at the same timeSPLICED MODE Distribute your movie/game picture on several display screens to enjoy a stronger visual impact Shipping and returns 1. Global shipping (excluding some countries and APO/FPO addresses)2. The order is processed quickly after payment verification.3. Your order address must be consistent with your shipping address.4. The pictures shown are not actual products and are for reference only.5. The transportation time is provided by the carrier, excluding weekends and holidays. Shipping time may vary, especially during holidays.6. If you have not received the shipment within 90 days after payment, please contact us. We will track the shipment and reply you as soon as possible with updates.7. Due to inventory status and time difference, we will choose to ship your items from our first available warehouse for the fastest delivery. Returns and refunds 1. If you have any problems with the product, please contact us in time, and we will give you a satisfactory solution2. If you feel that there is a problem with the product for more than 7 days after receiving the goods, it is a personal problem, and we will not bear any loss here. notes 1. Please allow a difference of 1-2 cm in the measured value.2. Please leave us a message stating your favorite color, otherwise you will receive random colors.3. The picture on your screen may not accurately reflect the color of the product. We guarantee that the product is the same as the model shown in the picture. Feedback: We maintain high standards of excellent quality and strive for 100% customer satisfaction Feedback is very important. We ask you to contact us immediately before providing us with neutral or negative feedback so that we can resolve your concerns satisfactorily. If we do not understand the problem, it is impossible to solve the problem Question:How do i set this up with 2 hdmi sources and 1 cord? Answer:Need to connect 2 sources to HDMI switch and then connect one HDMI cord to the device you are wanting to connect the sources to .. Question:Is it suitable for RTX 3080 Answer:Of course, a perfect fit