Apple iMac 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB HDD Mac OS High Sierra MC508LL/A w/ Keyboard & Mouse
IMac 21.5-inch Late 2009 - Mac OS High Sierra 10.13.6, Intel Core 2 Duo, 4 GB DDR3 RAM, 500 GB HDD, Nvidia GeForce 9400 256 MB VRAM
Apple iMac 27″ Late 2009 Core i5 2.66GHz 4GB 1TB DVDCDRW Wifi macOS 10.13 High Sierra – Refresh Computers Online Marketplace
Apple iMac 21.5-inch Late 2009 3.06GHz Intel Core 2 Duo (MB950LL/A) – UNICOM, Inc.
MacOS High Sierra Compatible Macs List | OSXDaily
Apple iMac 3.06GHz Core 2 Duo 4GB DDR3 500GB HDD High Sierra NVIDIA GeForce 9400 | eBay
My free iMac 27" (2009) core i7 2.8, 32GB, 1TB SSD High Sierra. only cost me a SSD and about an hour of time. : r/mac
Identify your iMac model - Apple Support
Common Problems During and After macOS High Sierra Installation
Apple macOS High Sierra: A more refined Sierra for your iMac and MacBook | Mint
Reinstalling High Sierra on 2009 iMac | MacRumors Forums
macOS High Sierra now available as a free update - Apple
Installing High Sierra on an Unsupported Mac - Mac Optimization Software Reviews
Apple iMac 2009 27-inch 3.06 GHz Intel Core 2 Duo 8GB RAM 120GB SSD High Sierra | eBay
Apple iMac A1312 27" i5@2.66GHz 8GB RAM 2TB HDD High Sierra Late 2009 +DH401 | eBay
Will your Mac run macOS High Sierra? | ZDNET
Amazon.com: Mac OS X Lion 10.7.1 Operating System Boot Install Disk DVD
