My 12 y/o son is so excited. Found him a pristine Mid-2010 27" iMac for $100. Going to give it the SSD upgrade but he's stoked to start recording music with it :
iMac (mid 2010 - early 2019) SSD & Arbeitsspeicher/RAM Upgrade/Aufrüstung | iMac (2010 - 2019) | Mac Upgrade/Aufrüstung | Tronicspot
iMac SSD - 4mac
Apple iMac Mid 2010 27" Hard Drive + SSD Upgrade Dual Drives - YouTube
How to Upgrade iMac Hard Drive (2009, 2010, 2011): EveryMac.com
iMac (mid-2010) SSD Upgrade with Samsung 850 Evo - YouTube
iMac Repair & Upgrade, Same Day Services
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
iMac Repair & Upgrade, Same Day Services
Internal SSD DIY KIT for All Apple 27" iMac 2010 Models
Upgrade Sata HD to SSD on a iMac 11.3 27" mid 2010 | MacRumors Forums
OWC 2.0TB HDD Upgrade Kit Compatible With 2009-2010 iMacs, Includes: Thermal Sensor, Tools, 2.0TB Hard Drive : Electronics
OWC HDD/SSD Upgrade Kit for all iMac 2009-2010 Models (tools included, – RamCity.com.au