displayport extension

Listings show Mini DisplayPort, DisplayPort, and HDMI connector combinations. The cables are listed as male-to-male.

The cables are offered in three lengths: 3 feet, 6 feet, and 15 feet.

Mini DisplayPort-to-Mini DisplayPort and Mini DisplayPort-to-DisplayPort cables are described as bi-directional. DisplayPort-to-HDMI and Mini DisplayPort-to-HDMI cords are described as uni-directional — they only convert from a DP/Mini DP source to an HDMI display.

Mini DisplayPort-to-HDMI cables list support up to 3840×2160 at 60Hz. DisplayPort-to-HDMI cables list support up to 3840×2160 at 30Hz. Lower HD and Full HD resolutions (1080p, 720p) are also supported.

Yes. The product descriptions state the cables transmit both stereo audio and video together.

The cables are described as having a white PVC jacket and gold-plated connectors to resist oxidation.

The DisplayPort-style cables are described as having a connector casing with a snap-button mechanism that locks the plug into the socket.

The descriptions list a transmission rate of 8.64 Gbps for the cables.

Mini DisplayPort-to-DisplayPort cords are described as DisplayPort cables only. They are explicitly noted as not being HDMI cables and plug only into DisplayPort or Mini DisplayPort ports (not HDMI ports).