These are the best docks and dongles for the M1 Apple iMac 2021
Magic Hub: The coolest USB hub I've come across - The Graphic Mac
Hagibis Usb C Clamp Hub Type-c For 2021 Imac With Usb C Usb 3.0 Micro/sd Card Reader 4k Hd Docking Station Imac Accessories - Docking Stations & Usb Hubs - AliExpress
Satechi Silver USB-C Clamp Hub For 24-inch iMac - ST-UCICHS
Amazon.com: SABRENT 4-Port USB 3.0 Hub for iMac Slim Uni-Body (HB-IMCU) : Everything Else
M1 iMac 2021 - USB-C HUB with Hard Drive Enclosure– The Apple Nest
USB-C Hub - USB3.0 & Docking Station 7-in-1 for Apple iMac 24" - Geeektech.com
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
Satechi Announces A Dedicated Hub For Apple's New 24-Inch iMac
Satechi Type-C Aluminum Monitor Stand Hub for iMac
Apple iMac 24” / monitor riser with USB-C hub - USB3.0 docking station incl. 2.5” SATA HDD and M.2 SSD housing - Geeektech.com
Sabrent 4-port USB 3.0 Hub for Apple iMac Computer for sale online | eBay
Belkin USB 3.0 4-Port Hub + USB-C Cable - Apple
Sabrent Premium 4-Port USB 3.0 Hub for iMac (2012 and later)
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) :
Satechi's new USB-C hub solves the iMac's backward port problem - The Verge
HyperDrive 6-in-1 USB-C Hub for iMac 24" HD34A8 - Best Buy
Best USB-C Hub for 24-inch M1 iMac of 2022 that Must Have
USB-C Clamp Hub for 24-inch iMac
HyperDrive iMac Hub review: More ports on the front of the 24-inch iMac | AppleInsider
Type-C Aluminum Monitor Stand Hub for iMac - Satechi
Satechi unveils new USB-C Clamp Hub that adds 5 ports to the front of your M1 iMac - 9to5Mac
Satechi Launches New USB-C Clamp Hub for M1 iMac - MacRumors
New iMac stands puts 7 ports where you need 'em | Cult of Mac
Hyper unveils new clamp-style USB-C hubs for 24-inch M1 iMac in matching colors - 9to5Mac