Hello, I recently bought a UGA-2KHDMI for my new 13" M2 MacBook Pro (2022 model), because the new Apple silicon chips don’t support multiple external displays. While the graphics adapter works while using DisplayLink Manager at 1080p, I can’t use the 2560x1440 resolution. According to the product info page, this graphics adapter is supported with MacOS.
So is the 1440p resolution supported with the new Apple silicon chips? Do I need to install additional drivers? I didn’t find any additional drivers to install on the drivers support webpages.
My setup includes:
Acer Predator XB271HU bmiprz 27" WQHD (supports up to 2560x1440 at 144Hz) connected via HDMI to UGA-2KHDMI
UGA-2KHDMI connected to JSAUX USB-C (Thunderbolt 3) to USB-A Female cable
USB-C to USB-A Female cable connected to MacBook Pro via USB-C port
Thanks for reaching out to Plugable support! I’d be happy to help with that.
I believe this may be a limitation of the maximum resolution for the UGA-2KHDMI and the display itself.
The UGA-2KHDMI can do 2560x1440 @ 50Hz, And looking at the resolution capabilities of that display, I can see that the closest that that would match is 1024 x 768 @ 60Hz or 1920 x 1080 @ 60Hz when using an HDMI connection.
It looks like the display is capable of 2560 x 1400 @ 24Hz but only when using the DisplayPort connection.
The only way to gain access to a higher resolution for this display would be to upgrade the display adapter to either the UGA-4KHDMI or the UGA-4KDP. These would provide a high enough resolution capability to get 2560 x 1400 @ 60Hz from that display, either from HDMI or DisplayPort.
Here is a screenshot of the timing table from the Acer Predator XB271HU user manual.
I hope this helps to clarify the behavior that you are seeing and please let us know if you have any additional questions.
Thanks for the quick reply! So just to confirm, you believe that because the Predator timing table doesn’t have a 2560 x 1440 @ 50 Hz option, then the display adapter doesn’t list that as a supported resolution on the Mac?
Essentially, you are correct. The equipment that you currently have connected will not will not support 2560 x 1440 @ 50 Hz based on the specifications of that display.
