Sabrent Premium 4-Port USB 3.0 Hub for iMac (2012 and later)
New CPUs, faster Wi-Fi, same flaws: Apple's 2013 iMac reviewed | Ars Technica
s-l400.jpg
Apple iMac 21.5-Inch (Late 2012) Review | PCMag
Type-C Aluminum Monitor Stand Hub for iMac - Satechi
Amazon.com: Hagibis iMac Hub with 1000Mbps RJ45, USB C 3.1, USB 3.0 Ports and SD/Micro SD Card Reader, USB-C Clamp Hub USB C Docking Station for 2021 iMac 24 inch (with RJ45) :