DisplayPort 2.1 is the current generation of the DisplayPort standard, a digital interface developed by the Video Electronics Standards Association (VESA). It transmits video, audio, and data through a single reversible connector, typically USB-C shaped on modern devices.
The key advantage of DisplayPort 2.1 over earlier versions is its 80 Gbps bandwidth capacity, which enables:
- 8K video at 60 Hz with 10-bit colour and HDR support
- Multiple 4K displays daisy-chained through a single connection
- High-bandwidth peripheral support, including fast external storage and high-speed cameras
- Bidirectional audio transmission at superior quality levels
DisplayPort 2.1 maintains backward compatibility with older versions, so a DisplayPort 2.0 cable may work with a DisplayPort 2.1 device, though you'll only get the older bandwidth speeds. Not all DisplayPort 2.1 ports support the full 80 Gbps: some devices may have lower-bandwidth variants. Always check device specifications, as marketing materials don't always clarify this distinction.
The standard competes with HDMI 2.1 for premium display connectivity. DisplayPort typically appeals to PC users, creative professionals, and those building high-end workstations, whilst HDMI remains dominant for consumer electronics like televisions. Many modern laptops, graphics cards, and professional monitors now feature DisplayPort 2.1 inputs, making it an increasingly relevant factor when buying display hardware or connectivity-dependent peripherals.