Amazon.com: Satechi Aluminum Type-C Clamp Hub Pro with USB-C Data Port, USB-A 3.0 Data, Micro/SD Card Reader - Compatible with 2020/2019/2017 iMac & iMac Pro, Does Not Fit 2021 iMac (Silver) :
Amazon.com: Apple 2021 iMac All-in-one Desktop Computer with M1 chip: 8-core CPU, 8-core GPU, 24-inch Retina Display, 8GB RAM, 256GB SSD Storage, Matching Accessories. Works with iPhone/iPad; Orange : Electronics