I got a FREE 2013 iMac 21.5 with internal upgrades including Samsung evo ssd and 16gigs of ram. Then used open legacy patcher to install Mac OS Venture 13.5 beta. : r/osx
Apple iMac SSD Upgrade — Epoch Business IT Solution
NEW Apple SSD Upgrade 2TB For MacBook Pro Retina 13" 15" 2012 2013 A1425 A1398 | eBay
Amazon.com: Odyson - 1TB SSD Replacement for Apple MacBook Pro 13" A1502, 15" A1398, Replacement for Apple Mac Pro A1481, 21.5" A1418, 27" A1419 (Late 2013-Late 2014) : Electronics
iMac | 3.1 GHz Intel i7 | 21.5 Inch | Late 2013 - Techable.com
Imac 21.5 Inch Late 2013 Ssd Upgrade 2024 | favors.com