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From what I can tell, DisplayLink seems to be publishing regular updates to their drivers and is actively working on new features. I was pleasantly surprised to see that DisplayLink’s drivers have been updated for Apple Silicon and don’t require a kernel extension. The DisplayLink chip decompresses the data and sends the display signal to the (real) display. The computer sends pixel data to the software driver, which then compresses the data and sends it over USB. The software driver presents itself as one or more displays to the computer. DisplayLink technology was first used in laptop docking stations but can now be found in other video-related products including adapter cables and monitors.ĭisplayLink has two components - a software driver installed on your computer and a hardware chip in the dock or adapter. It lets you send a video signal to a display over USB or Wi-Fi instead of via DisplayPort or HDMI. DisplayLink (not to be confused with DisplayPort) is the name of a technology created by a company also named DisplayLink. What are your options if you want to run more than two displays? Enter DisplayLink. Update: I ended up purchasing the ALogic DX3 and wrote a follow-up post about my experiences with it. I wanted a MacBook Air and already had two external displays which I wanted to keep using. For the Mac Mini, you can add two displays. For the MacBook Air, MacBook Pro, and iMac that means you can connect one additional display along with the built-in display. I couldn’t bring myself to buy a legacy Intel Mac, but the new M1 Macs only support up to two displays. Projects Understanding DisplayLink, multiple displays, and M1 Macs Introduction
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