![]() The original question was about gaming, but my answer was broader than that. I wrote about those in this thread, specifically the post marked as the answer. Using DisplayLink allows more bandwidth-intensive display setups, but it also introduces quite a few potential drawbacks that may or may not be acceptable for your use case. Use a dock that uses DisplayLink technology rather than tapping into native GPU output, such as the Dell D6000. Connect your 24" displays to the WD19 and connect your 27" display to the HDMI output on the system itself so that the 27" display's bandwidth requirements will not have to be met over the docking connection that doesn't have enough to run 3 displays. If your system doesn't have Thunderbolt 3, then these are your options for running 3 displays: If you want to use three displays, then if your 7490 was ordered with Thunderbolt 3 support, which is optional on that model, the best solution would be to replace the WD19 with a WD19TB, which will be able to run your 3 displays because the WD19TB's use of Thunderbolt 3 means it can access 4x more display bandwidth than the WD19. For the purposes of this answer, I'm assuming that your 24" displays are 1920x1080 and your 27" display is 2560x1440, since those are the most common, but if that's not correct, then my suggested alternative setups below may not be workable. Not all 24" and 27" displays use the same native resolution, and it doesn't matter to the system how large a display is, but it matters very much how many pixels you want to send to the display. the resolution they're supposed to be running, not the resolution you're currently experiencing. These display setup limitations are all explained in the WD19 manual available on, fyi.Īdditionally, when asking technical questions about display setups like this, it's much more important to indicate the resolution of the displays involved, not the physical size - and specifically the "native resolution", i.e. That's why you've got weird resolution limitations while trying to run 3 displays, and in fact I would bet that your 24" displays are supposed to be running at 1920x1080 rather than 1680x1050, so even that first display is very likely not "perfect". ![]() We ran AJA System Test on a 64 GB SanDisk Extreme Pro to measure the read and write speeds.When the WD19 is used with a system that provides an HBR2 signal (aka DisplayPort 1.2), which is the case with the 7490, it only has enough display bandwidth from the system to run two displays up to 1920x1200 or a single display at 2560x1600. SD card: For digital photographers, SD cards are still a common way to transfer images to a computer.Ethernet: We verified the connection speed in Network Utility on a Mac, which displays the link speed.Audio: We tested each dock’s audio inputs and outputs by plugging microphone-equipped headphones into each of the audio jacks, making sure the input or output source was properly set in macOS and monitoring the resulting audio levels.We’ve found the Power tab in macOS’s System Report to accurately report the wattage of the power source, and we compared the figures stated there against what each company advertised. Power output: Thunderbolt docks can charge your computer, too, so you don’t have to worry about plugging in a second cable. ![]() (Apple’s late-2020, M1-based MacBooks support only one external display, even if you’re using a dock.) We set each monitor to its maximum resolution and verified that both were performing at the proper refresh rate. Using an array of DisplayPort cables, HDMI cables, and USB-C adapters, depending on each dock’s port selection, we connected our 16-inch MacBook Pro and a pair of 4K monitors to each dock.
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