StarTech 7m HDMI Cable Run in-wall HDMI cable installations, for applications requiring CL3-rated cables. The HD3MM7MW 7m (22. 9ft) High Speed HDMI� Cable is CL3-Rated for in-wall installations, and features two gold-plated HDMI (male) connectors to provide a dependable high quality HDMI to HDMI connection between devices such as Blu-Ray Disc� players, HDTVs, DVD Players, stereo receivers, projectors and more.