Comprehensive Cable HD-HD-3PROBLK Pro AV/IT High Speed HDMI Cable with ProGrip, Sure Length, CL3- Jet Black 3' Ultra HD resolution, 4k x 2k at 50/60 (2160p), up to 32 audio channels and 21:9 aspect ratio True Professional grade heavy-duty 24 or 26 gauge oxygen-free construction Pro Grip connector utilizes up to 16 lbs. of retention force to help keep connector in place Sure Length indicators on the connector heads make it easy to organize for installations Available in 7 colors for easy cable identification