Amazon.com: Satechi USB-C Clamp Hub – USB-C Data Port, USB-A 3.0 Data, Micro/SD Card Reader – Compatible with Apple Studio Display and 2021 iMac 24-inch. Does Not Fit 2020 iMac and Earlier
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: 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
iMacompanion - Front USB for iMacs and Thunderbolt Displays - Wiplabs
Amazon.com: SABRENT Multi Port iMac Hub with Front Access USB Ports, SD/Micro SD Card Reader, 3.5mm Headphone Jack and Rear HDMI 2.0 Output (iMac 2017 to 2020) (HB-SIMC) : Everything Else
Identify your iMac model - 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 (Silver) :
USB-C and Thunderbolt: Understanding Ports and Cables for Macs and iPads - The Mac Security Blog
Amazon.com: SABRENT Multi Port iMac Hub with Front Access USB Ports, SD/Micro SD Card Reader, 3.5mm Headphone Jack and Rear HDMI 2.0 Output (iMac 2017 to 2020) (HB-SIMC) : Everything Else
Apple iMac (27-inch, 2017) review: Apple doesn't mess with success - CNET
Apple iMac 27-Inch With 5K Retina Display (2017) Review | PCMag
iMac (21.5-inch, 2017) - Technical Specifications
➥ SATECHI – Aluminum TYPE-C clamp HUB PRO 6-in-1 for iMac 2017 and PRO