Select 21.5-inch iMac models back-ordered amid chip shortages, rumors of a refresh

As rumors about a potential 24-inch Apple Silicon iMac continue to swirl, various models of the current 21.5-inch iMac are significantly back-ordered from Apple’s Online Store. Many models are also unavailable for pickup from Apple Stores around the United States, but this could be due to chip shortages. Currently, Apple’s...