: Click the Apple menu > About This Mac . Note the model name (e.g., " iMac Retina 5K, 27-inch, 2020 Go to product viewer dialog for this item. ") and the current memory type (e.g., "2666 MHz DDR4"). Check Upgradeability : 27-inch Intel iMacs (2012–2020) : These are the easiest to upgrade via a rear access door. 21.5-inch Intel iMacs Go to product viewer dialog for this item.
: RAM is integrated into the chip and after purchase. 2. Determine Maximum Capacity & Specs buy more ram for imac
are either extremely difficult to open or completely non-upgradeable. 1. Identify Your iMac Model : Click the Apple menu > About This Mac
Apple often lists a lower "official" maximum RAM than the machine can actually handle. iMac 2019 4k SSD and RAM Upgrade Check Upgradeability : 27-inch Intel iMacs (2012–2020) :