If you need a sleek stand for the 24-inch iMac, Twelve South’s US$74.99 Curve Riser is a good choice. The black metal stand, inspired by the Curve for MacBook, is both functional and good-looking. However, like the Apple all-in-one itself, you can’t adjust the height to your preference.
It’s also handy for using with monitors that have bases up to 10 inches wide. The Curve Riser raises iMacs or monitors 4.25 inches for a more comfortable viewing angle. This helps reduce eye and neck strain by promoting good posture. However, the 4.25 inches is just a bit too high for my tastes.
The stand also improves ventilation for your Mac, as well as opening up some desktop real estate by adding a storage shelf for storing hard drives, an iPhone, iPad, AirPods, etc. It’s also good for stashing a Mac mini and connecting it to an eternal drive. This helps you declutter your desk for a cleaner work environment.
As best as I can tell, the Curve Riser — which is 10 inches by 9.6 inches — can support up to 31 pounds.