How to add a fast new SSD to your old Mac or MacBook for only $150 - 9to5Mac
Booting Thunderbolt iMac from LaCie Rugged SSD | MacRumors Forums
How-To: Update your old MacBook, Mac mini, or Mac Pro hard drive with a fast SSD - 9to5Mac
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models
SSD Upgrade Kits For Apple Mac Pro 2009-2012
OWC Internal SSD DIY Kit for Apple 27-inch iMac 2010
Sonnet M.2 4x4 PCIe Card for SSDs - Sonnet
M1 Mac mini diary, hands-on with my favorite Apple product - 9to5Mac
DIY Bundle - 2TB OWC 3G SSD and HDD Kit for 2009-2010 iMac
Amazon.com: USB C 3.2 MacBook SSD Enclosure for 12+16 PIN MacBook Air/Pro SSD, Aluminum M.2 NVMe MacBook Pro SSD Enclosure Adapter Support MacBook Pro,MacBook Air, Mac Pro, iMac from 2013 to 2017 :
Amazon.com: OWC 2.0TB HDD Upgrade Kit Compatible With 2009-2010 iMacs, Includes: Thermal Sensor, Tools, 2.0TB Hard Drive : Electronics
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
OWC Complete DIY Hard Drive Upgrade Kit for Apple iMac 2009-2010