The DisplayPort cable (DisplayPort to DisplayPort) transmits high-resolution video signals and HD audio signals e.g. from a computer or laptop to a monitor or beamer; supports high quality resolutions up to 8K (60Hz) and delivers crisp images; smooth images (no judder) by supporting high refresh rates up to 240 Hz especially for gaming (depending on graphics card and monitor); Backward compatible to 4K Ultra HD 2160p (120 Hz), gold-plated contacts and double shielding guarantee improved signal transmission; The connector lock ensures a secure hold and optimal signal transmission. It can also be easily unlocked via the push button; to avoid short-circuit damage, pin 20 is not connected (no power supply)