AppleTV working fine on Mid-2010 iMac, running macOS High Sierra. : r/appletv
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Apple iMac 21.5”, Mid 2010 | eBay
apple-history.com / iMac (Mid 2010)
Apple iMac 21.5″ Mid 2010 Core i3 3.06GHz 12GB 500GB DVD-RW WiFi macOS 10.13 High Sierra – Refresh Computers Online Marketplace
Apple iMac 21.5-inch June 2010 3.33GHz Intel Core 2 Duo (BTO/CTO) – UNICOM, Inc.
Apple iMac 27-inch MC511LL/A (MID 2010). Core i5 @ 2.80GHz. 16GB RAM. 1TB HDD. High Sierra 10.13. for Sale in San Diego, CA - OfferUp
macOS High Sierra - Wikipedia
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
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Apple iMac 21.5" Mid 2010 Intel Core i3 8GB RAM 500GB HDD AMD Radeon High Sierra | eBay
MacOS High Sierra Compatible Macs List | OSXDaily
Apple iMac 21.5" All-in-One Desktop Computer i5-2500s 2.7GHz 8GB Ram 1TB Mac OS High Sierra MC812LL/A w/ Keyboard & Mouse
