Apple iMac 27-inch (2010) Core i7 2.93GHz, 64GB SSD+2TB HDD - macOS Big Sur (60) | eBay
A-Tech 16GB (2 x 8GB) PC3-8500 DDR3 1066/1067 MHz RAM for MacBook (Mid
Amazon.com: Computer 2nd HDD SSD Hard Drive Caddy for Apple iMac Mid-2010 27-Inch Core i7 2.93 MC784LL/A MC784 A1412 All-in-One Desktop, Second Solid State Drive Enclosure, CD DVD SuperDrive Optical Bay :
Upgrade iMac Intel Core i3 CPU to Core i7 - iFixit Repair Guide
Apple iMac 27-inch (July 2010) review: Apple iMac 27-inch (July 2010) - CNET