Amazon.com: A-Tech Kit de 32 GB (4 x 8 GB) RAM para Apple iMac (finales de 2012, finales de 2013, finales de 2014, mediados de 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin actualización de memoria : Electrónica
Imac 5k Extremely slow and beach balling after 10.15.7 (19H15) supplemental update. | MacRumors Forums
My iMac is sooo slow. Several system overloads during every session. Can anyone judge these specs and recommend if I should upgrade them or just throw down $$ for a new mac?
How To Speed Up Slow Running MacOS Catalina - GEEKrar
Apple Imac 21,5" (Late 2013) i5 2.7 Ghz 16 Gb 1 Tb Mac Os Catalina
Amazon.com: 2013 Apple iMac with 3.2GHz Intel Core i5 (27-inch, 8GB 1TB Mac OS X) (Renewed) : Electronics
SLOW R/W test, is that normal? : r/mac
Clean Install macOS Catalina Without USB Using Internet Recovery
Slow Late 2013 Imac | MacRumors Forums
iMac Late 2012 21.5 inch A1418 - Disassembly SSD Upgrade, 10.8 Snow Leopard to 10.15 Catalina macOS - YouTube
Mac Running Slow - 3 Easy Tips to Fix It | Tech Times
iMac27 2013 very slow. Is dual boot on SSD a solution? | MacRumors Forums
iMac slow, very slow after Catalina v. 10… - Apple Community