https://wccftech.com/base-model-24-inch-imac-ships-with-2-usb-4-thunderbolt-ports-only-8-core-gpu-models-feature-4-ports-in-total/

Here is something which will surprise you - the base model 24-inch iMac features only two ports in total while the higher end models ship with four.

While the new iMac is excellent value for money, but there is something which we missed previously - the ports.