macOS - Wikipedia
Installing MacOS Monterey on Unsupported Macs | OSXDaily
Refurbished Apple iMac 9,1/E8135/4GB RAM/320GB HDD/9400M/DVD-RW/20-inch/C (Early - 2009) | Mac4sale
iMac-Modell bestimmen - Apple Support (DE)
How to Upgrade the Firmware of a 2009 Mac Pro 4,1 - iFixit Repair Guide
Use your iMac as a display with target display mode - Apple Support
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Just Restored this dead 2009 Imac back to life with some updated hardware. : r/mac
Best Mac OS Version (Hint: macOS Sierra and Higher)
Test-Update: iMac 2010 mit Core i7 - Macwelt
Best Mac OS Version (Hint: macOS Sierra and Higher)
macOS vs. Windows: Which OS Really Is the Best?
I give you Big Sur running on a 2010 iMac, running as smooth as ever! This machine refuses to die! Thank you to everyone involved! : r/BigSurPatcher
Hi, i have a 2011 iMac with 16gb of ram and 1tb ssd, I'm wondering which Mac OS will work better on the iMac with a patcher, macOS Big Sur or Monterey?
UPDATE: Welches Mac OS Version brauchst du für deinen Mac? - Back Market DE
Best Mac OS Version (Hint: macOS Sierra and Higher)
iMac 20 inch 2.66GHz Intel Core 2 Duo 320GB Early 2009 MB417LL/A (B) - BAM Liquidation
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Best Mac OS Version (Hint: macOS Sierra and Higher)
UPDATE: Welches Mac OS Version brauchst du für deinen Mac? - Back Market DE
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
Give Your Old iMac New Life With a DIY Upgrade
macOS High Sierra On A 2009 Imac Core 2 Duo? A Retro Adventure :o) - YouTube
