USB C Hub, 7-in-1 USB C Adapter with 100W Power Delivery Charging Port
Apple iMac 21,5" 4K 2019 - Core i7 3,2 GHz Fusion Drive 1 To 32 Go RAM - iMac - Apple
Take a tour of iMac Pro - Apple Support
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 (Space Gray) :
Amazon.com: Anker 535 USB C Hub (5-in-1), with 2 USB-A 10 Gbps Data Ports, USB-C 10 Gbps Port, SD and microSD Card Reader, for iMac Pro / iMac 24 inch 2021 / iMac 27 inch / 21.5 inch : Electronics
Review: Satechi's Type-C Stand for iMac Offers Easy Access to USB Ports With Ergonomic Design - MacRumors
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) :
Apple iMac 5K 27-inch (2019) Review: Looks like 2012, Performs like 2020 | Digital Trends
Apple 27-inch iMac (2019): No new ground, but welcome CPU and GPU upgrades | ZDNET
Thank you, Apple, for keeping USB-A on the Mac Studio - The Verge
Apple 27-inch iMac (2019): No new ground, but welcome CPU and GPU upgrades | ZDNET