Because it was originally based on the DVI standard, HDMI is backwards compatible with single-link Digital Visual Interface (DVI-D and DVI-I) signals. You can use this cable to connect a DVI-D/DVI-I output from your PC to display on your new big-screen HDTV (or vice versa)!The CL2 rating on this cable indicates that it complies with fire safety codes and insurance requirements, making it safe for use inside the walls of residential class buildings.This cable is functionally equivalent to a High Speed HDMI cable and supports all High Speed HDMI functions, except audio (DVI has no provision for audio).The specific HDMI features support are * 1080p resolution* 3D* 4K* Deep Color* x.v.Color*** 30-day easy returns. No restocking fee. Free lifetime technical support. Limited lifetime warranty. ***