🛑 A Fusion Drive is a hybrid of a small solid-state drive (SSD) and a larger slow hard drive. They are prone to failure and severe slowdowns as they age.
🛑 The entry-level iMacs featured standard 1080p screens. Unless you are paying next to nothing, hold out for the stunning 4K Retina display.
Ensure the previous owner has signed out of iCloud and disabled Find My Mac . If it is locked, the computer is useless to you.
If you are determined to get a 21.5-inch iMac, target these exact specs to ensure your machine actually runs smoothly:
Not all 21.5-inch iMacs are created equal. Avoid these specific configurations at all costs:
🧠You cannot easily upgrade the memory on the 21.5-inch model like you could on the larger 27-inch version. Buy the amount of RAM you need upfront.
Bring a thumb drive to ensure all the USB and Thunderbolt ports are firing and reading data normally.
If you are hunting for a bargain desktop on platforms like eBay or looking at refurbished tech sites, here is exactly what you need to know before putting your money down. Red Flags to Avoid