Hard Drive for iMac Late 2009-2011 ONLY 640GB, Preloaded with High Sierra 10.13 | eBay
How to get macOS High Sierra
Apple iMac 21.5-inch Late 2009 3.06GHz Intel Core 2 Duo (MB950LL/A) – UNICOM, Inc.
For all of the ten people that care, I installed High Sierra On a mid 2009 MacBook Pro : r/mac
Amazon.com: Bootable DVD DL for Mac OS X 10.13 High Sierra Full OS Install Reinstall Recovery Upgrade
21.5” iMac Late 2009 Model - 16gb Ram / 500gb HDD - Desktop Computers | Facebook Marketplace | Facebook
macOS 10.13 High Sierra: The Ars Technica review | Ars Technica
2009 iMac 27"- Refurbished - MacTek - Computer & Phone Repair & IT Support
macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
Anything that can run macOS Sierra can also run macOS High Sierra | Ars Technica
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
How to Install macOS High Sierra - iFixit Repair Guide
Apple iMac 27″ Late 2009 Core i7 2.8GHz 8GB 1TB DVDCDRW Wifi macOS 10.13 High Sierra – Refresh Computers Online Marketplace
MacOS High Sierra – Worry Free Upgrade For Your Mac
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
Use your iMac as a display with target display mode - Apple Support
