PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Identify your MacBook Pro model - Apple Support
Apple MacBook Pro A1286 C2D-2.8GHZ 4GB 256GB SSD Nvidia 2009 High Sierra AU25-10 | eBay
Sold - 15" MacBook Pro Mid 2010 // $395 - Boulder Mac Repair
Apple MacBook 2009 13" Intel Core 2 Duo 2.26GHz 4G RAM 256GB SSD HIGH SIERRA | eBay
15″ MacBook Pro (Mid 2009) | Low End Mac
How to Upgrade Mac to macOS High Sierra | Trend Micro News
Apple MacBook Pro 17″ Mid 2009 C2D 2.8GHz 4GB 120GB SSD DVD-RW macOS 10.13 High Sierra – Refresh Computers Online Marketplace
How to Prepare Your Mac for macOS High Sierra - The Mac Security Blog
Identify your MacBook Pro model - Apple Support
Apple Macbook pro mid 2009 120gb ssd 4gb ram MacOS High Sierra for Sale in Lowell, MA - OfferUp
MacOS High Sierra Compatible Macs List | OSXDaily
MacBook Pro 2009 Upgrade Series PT.1 High Sierra Install - YouTube
Identify your MacBook model - Apple Support
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
Installing High Sierra on an Unsupported Mac - Mac Optimization Software Reviews
Hard Drive for iMac Late 2009-2011 ONLY 640GB, Preloaded with High Sierra 10.13 | eBay
Apple MacBook A1342 Late 2009 C2D 2.26GHz 4GB 250GB DVD-RW macOS 10.13 High Sierra – Refresh Computers Online Marketplace
MacOS 10.13.5 High Sierra Update Released for Mac | OSXDaily
How well does MacOS High Sierra run on an unsupported Mac? - YouTube
Anything that can run macOS Sierra can also run macOS High Sierra | Ars Technica
