Want USB ports on the front of your new iMac? Try these hubs - CNET
USB-C Clamp Hub for 24-inch iMac
USB-C to USB Adapter - Apple
Amazon.com: USB C Hub for iMac 24 inch 2021/2023, Minisopuru USB Hub Adapter Support M.2 NVMe SSD, iMac USB Hub for iMac M1/M3, iMac Accessories with USB C 10Gbps, USB A 3.2,
USB-C and Thunderbolt: Understanding Ports and Cables for Macs, iPhones, and iPads - The Mac Security Blog
Apple USB-C-to-USB Adapter White MJ1M2AM/A - Best Buy
Apple USB-C to USB Adapter - Walmart.com
Amazon.com: Satechi Slim Type-C Multi-Port Adapter with USB-C Pass-Through, 4K HDMI, USB 3.0 - for M2/ M1 MacBook Pro/Air, M2/ M1 iPad Pro/Air, M2 Mac Mini, iMac M1 -Space Gray : Electronics
USB-C Slim Dock for 24” iMac
Amazon.com: SABRENT 4-Port USB 3.0 Hub for iMac Slim Uni-Body (HB-IMCU) : Electronics
USB-C Digital AV Multiport Adapter - Apple
USB C Adapter for MacBook Pro 2022 2021 2020, MacBook Pro USB Adapter, 7 in 2 MacBook Pro Accessories for MacBook Pro/Air M1M2, Mac Dongle with 4K HDMI, 2 USB 3.0, TF/SD,
Amazon.com: USB C Hub Adapter for MacBook Pro Air 2022 2021 2020 2019 Docking Station for MacBook M1 M2 USB C to HDMI Mac Accessories Multiport Dongle with 4K HDMI USB 3.0
Add USB-C ports to an old 2014 iMac - Ask Different
Satechi Type-C Aluminum Stand and Hub for Mac Mini & Mac Studio USB-C Data Port, Micro/SD Card Reader, 3 USB 3.0 & Audio Jack ST-ABHFM - Best Buy
24-inch iMac Ports: 4 USB-C Ports and 1 Headphone Jack, That's All
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) :