
Just long enough to sit on a desk and easily attach mouse and keyboard adapters and a printer cable. This frees up a second port on my laptop to insert and remove memory cards with one hand. I've been using it daily for a few months and it works great.

UGREEN USB 3.0 Ethernet Adapter Hub with RJ45: Fast Gigabit Ethernet Converter, 3 Ports USB 3.0 Hub Compatible for MacBook, iMac, Surface Pro, Chromebook, Laptop, PC
11 Review

HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
12 Review

π Sabrent USB Type-C Hub with 4k HDMI, 60W Power Delivery, 1 USB 3.0 Port, 2 USB 2.0 Ports (HB-TC5P) - Multi-Port
10 Review

π uni USB C Hub with Ethernet Adapter, 4K HDMI, Gigabit Ethernet, and 3 USB 3.0 Ports for MacBook Pro, iPad Pro, XPS
11 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 CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
3 Review

Verizon Wireless Jetpack 4G LTE Advanced Mobile Hotspot - Novatel 7730L
7 Review

π StarTech.com NETRS2321P: 1-Port RS232 to Ethernet IP Converter, Serial over IP Device Server - Black
5 Review