What are Displayport Cables?
Displayport cables are used for audio/video connectivity. The cable is commonly used between a computer and monitor/displays. A display port is always male on the cable and female on the device. All DP cables have the same basic layout and wiring and will support any feature including audio, daisy-chaining, HDR and DSC.
DisplayPort cables are classified only by their bandwidth certification level:-
RSR (Reduced Bit Rate) – RBR DisplayPort Cable – Bandwidth 6.48 Gbit/s
HBR (High Bit Rate) – Standard DisplayPort Cable – Bandwidth 10.80 Gbit/s
HBRS (High Bit Rate 2) – Standard DisplayPort Cable – Bandwidth 21.60 Gbit/s
HBR3 (High Bit Rate 3) – DP8K Cable – Bandwidth 32.40 Gbit/s
Before choosing the cable, you will need to consider the connector type on each end of the cable and also the cable length.
2 types of Display port plug
Standard – about the size of a USB connector, commonly used on DisplayPort-enabled PC monitors.
Mini – commonly used for the DisplayPort output on notebook PCs including Apple products which includes Thunderbolt (widely used on Apple products).
Benefits of DisplayPort
Enables high display performance
Robustness and versatility
Highest level of system integration
Ability to connect multiple displays to a single video output
Products which include DisplayPort
Desktop computers and monitors
Becoming available on digital televisions
How is DisplayPort different from HDMI
They are different technically as they were designed for different markets. HDMI was made primarily for home entertainment systems and is used widely on HDTVs as an AV interface. Some PCs and monitors include HDMI to enable connectivity with HDTVs. However HDMI has limitations. In most cases it is fine but for really high resolutions and frame rates other options might be better e.g. DisplayPort. Most HDMI cables are short (1-2 m) and you might need to use a signal booster to cover a long distance.
DisplayPort is a newer standard originally developed to support the higher performance requirements of personal computers, enabling an increase in performance and integration. It provides a more robust and stable AV link. DisplayPort can deliver 4K video over a length up to 2m using a passive cable. A 15m passive cable limits resolution to 1080p and it should manage up to 2560 x 1600 – pixel resolution over 5m.