Hi there, I’m looking for a 4K mini displayport to HDMI adapter to use with a late-2012 iMac. Should I buy the 1.2 to HDMI adapter or the 1.4? Will either work with a 2012 iMac? I’ve tried another brand adapter which was a 1.4 and it sent video ok but wouldn’t pick up the TV in audio outputs. I have an old cheap adapter that works fine, but I don’t know if it’s a 1.2 or a 1.4 adapter. Thanks.
Mini displayport 1.2 or 1.4 adapter for 2012 iMac?
Updated on 18-02-2022 in
Adapters and Cables
Use the CAC-1180.
https://www.club-3d.com/en/detail/2443/mini_displayport_1.4_to_hdmi_2.0b_hdr/
It is DP1.4 to HDMI2.0 it is downwards compatible.
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iMac 2012 has Thunderbolt 1 ports. You might be limited to 4K 30Hz or 2560×1600 60Hz.
On a newer Intel Mac, the AGDCDiagnose command can get info about DisplayPort adapters such as the version of DisplayPort.
I made a utility called AllRez which should work with other Macs to do the same thing. It’s still a work in progress.
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