I bought a 4-port USB-C to USB 3.0 hub as an accessory for my new iMac mini. I chose this particular hub for its price, speed, and looks (it matches the color of the iMac mini). If you are looking for a reliable center then this is it.
π Purgo USB-C Hub Adapter Dock for MacBook Air M1 2021-2018 and MacBook Pro M1 2021-2016 β 4K HDMI, 100W Power Delivery, 40Gbps Thunderbolt 3, 5K@60Hz, USB Type-C, 2 USB 3.0, SD/Micro Card Readers (Gold)
5 Review
RSHTECH Aluminum USB 3.0 Hub, 4 Port USB Data Hub Splitter with Individual π On/Off Switch and Universal 5V AC Adapter, Portable Design, Includes 3.3ft USB 3.0 Cable (RSH-516)
4 Review
π RSHTECH 4 Port USB C to USB 3.0 Hub Expander - Portable Aluminum USB 3.0 Splitter with 5V AC Adapter, Individual On/Off Switches - RSH-516-C
7 Review
iVANKY MacBook Pro Docking Station, 9-in-2 USB C Hub Adapter with 4K Triple Display, 100W PD3.0, Ethernet, 2 HDMI, USB-C 3.0, 2 USB-A 3.0, SD & TF for MacBook Pro/Air
9 Review
π USR-TCP232-410s: RS232/RS485 Serial to Ethernet Adapter/IP Device Server with DHCP/DNS Support
4 Review
Smartphone ZTE Blade A7 (2020) 2/32 GB, Dual nano SIM, blue
79 Review
π StarTech.com NETRS232 Serial to IP Ethernet Device Server - DIN Rail Mountable - Serial Device Server - Serial Over IP Device Server (Black)
4 Review
π StarTech.com NETRS2321P: 1-Port RS232 to Ethernet IP Converter, Serial over IP Device Server - Black
5 Review