Some models allow for RAM upgrades later, while others are permanently locked at purchase.
Only recommended for extremely basic tasks like web browsing or as a secondary "kiosk" machine. Key Specs to Look For (and Avoid) What to Look For What to Avoid Storage SSD (Solid State Drive) or at least a Fusion Drive which imac should i buy 2016
This was the powerhouse of the 2016 market. It is widely considered a "sweet spot" for older Intel Macs because it is the last model that allows users to easily upgrade the RAM themselves through a rear hatch. 5K Retina display ( ) which remains high-quality even by modern standards. Some models allow for RAM upgrades later, while
Standard ; these make macOS feel incredibly slow. Memory 16GB RAM or more for the 27-inch model (you can add this later) 8GB or less on 21.5-inch models , as you cannot upgrade them later. Display Retina 4K or 5K models It is widely considered a "sweet spot" for