Apple iMac 21.5" All In One Computer Core i3 3.1GHz 4GB 250GB Mac OSX Sierra
MacOS High Sierra Compatible Macs List | OSXDaily
How to Prepare Your Mac for macOS High Sierra - The Mac Security Blog
iMac (Early 2009) | Low End Mac
Identify your iMac model – Apple Support (UK)
Early-2009 iMac 24" for only $35! : r/mac
See which Macs will -- and won't -- work with MacOS - CNET
iMac "Core i7" 2.8 27" (Late 2009) Specs (Late 2009, MC507LL/A, iMac11,1, A1312, 2374): EveryMac.com
21.5” iMac 2009 for Sale in Long Beach, CA - OfferUp
Un patch pour étendre la compatibilité de Sierra aux Mac abandonnés | MacGeneration
iMac 21.5" (A1311) • Beetstech
SOLVED: Upgrade OS to High Sierra? - iMac Intel 20" EMC 2316 (Edu) - iFixit
OWC DIY Kit for 2012 - 2019 21.5" iMac's factory... at MacSales.com
Apple iMac A1224 Mid 2009 20in 2.26GHz 4GB DDR3 RAM 250GB HDD EL-CAPITAN 618996989331 | eBay
10 Things You Need to Know About macOS Sierra | PCMag
Early 2009 duo core (square mac) now running High Sierra patch from Dosdude1 flawlessly. : r/mac
Apple MC309LL/A 21.5" iMac Computer Core i5 2.7 GHz 4GB RAM 1TB HD Mid-2011 | RecycledGoods.com
macOS High Sierra On A 2009 Imac Core 2 Duo? A Retro Adventure :o) - YouTube
Late 2009 iMac - Should You Upgrade to High Sierra? | All Apple All Day
