Incase anyone ever needs the answer…I have a 27” 2010 iMac working in Target Display Mode with a M1 MacBook Pro using a miniDP to USB C adaptor that's capable of 4k60Hz.
How to add a second screen on your iMac 2011 onwards - YouTube
How to set up multiple monitors with your Mac - CNET
You Cannot Use the 24-inch iMac as a Target Display (External Monitor)
How To Use an iMac as a Monitor for a PC
How to Connect iMac to Monitor | use external monitor as a second screen for iMac Pro - YouTube
Use your iMac as a display with target display mode - Apple Support
How to Use a 27″ iMac as an External Display for Another Mac | OSXDaily
Step-by-step Guide to Use iMac as an External Monitor for PC/Mac
Mac Setups: iMac with an external monitor | OSXDaily
Convert a 5K iMac into an External Display | Michael Schmitt | Mobile & Web Developer
Converting a 5K iMac into an External 5K Display - Oh My Pizza Blog
Mac Setups: iMac 27″ and External Display | OSXDaily
How To Use an iMac as a Monitor for a PC
Best dual monitor setup for the iMac (24-inch) - YouTube
Using Late 2009 Imac as external display … - Apple Community
Use External Monitors Full Screen with Parallels Desktop for Mac | Parallels Blog
How To Use Your iMac As A Monitor
Using second iMac as monitor - can I still access its drive? | MacRumors Forums
How to Turn Your iMac into a Monitor - YouTube
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How to Use Your Old iMac as a Monitor
Use an iMac as an External Monitor - YouTube
Use iMac as monitor: 5 Solutions - 9to5Mac
Bloomberg: New iMac with Pro Display XDR design coming this year, cheaper external display also planned - 9to5Mac
Do you use an iMac, personal PC, or a MacBook with an external monitor to get work done?
