Bullet Train HDMI 2.1 cables are engineered for mission-critical environments requiring stable, high-performance connections. These active optical cables combine Cleerline SSF fiber optics and copper wire to deliver 48Gbps bandwidth and frame rates up to 120 fps, with latency up to 20% lower than passive copper HDMI cables. They are ISF Certified for color accuracy, fully CMP/plenum-rated, and support resolutions up to 10K, including HDR, Dolby Vision, and 3D signals. Featuring VRR and FRL support, these cables require power from the HDMI port or an optional 5V USB dongle, and come with fiber strands ready for future termination and versatile use in AV or data applications.