iMac could have been made without a chin, proves new hack

The iMac with its chin moved to the rear casing

Some users were disappointed by the 24-inch iMac redesign since it retained the chin — so one engineer decided to redesign the case.

The 24-inch iMac was released in 2021 with a redesigned chassis, but it still had a small chin on the lower edge of the display. Apple placed the processor and ports in this section of the display to keep it super-thin and uniform.

The later-model Intel iMac famously had a bubbled-out rear case. This increased the interior volume behind the display for cooling, and accommodated the motherboard, RAM slots, penetration depth required for the ports, and more. Apple’s solution for all of this in the new iMac was retaining the chin.

Apple prioritizing a thin unit in the Apple Silicon redesign meant that this bubble had to disappear. Without the chin in the new iMac, or a protrusion like in this hack, there wouldn’t be room for the USB-C ports, nor the magnetic charger. And, heat from components would be directly applied to a small spot on the back of the monitor panel, shortening its life.


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