Add an RS232 serial port with COM retention to your laptop or desktop computer through USB
Turn a single USB 2.0 port into 4 external USB 2.0 ports
Add four external SuperSpeed USB 3.0 ports from a single USB connection
Sabrent HB-MAC3 - Hub - 4 x SuperSpeed USB 3.0 - desktop
With the UDS1100, virtually any piece of equipment with a serial port can be added to an Ethernet network in a matter of minutes!
4 Port Aluminum USB 2.0 Hub for Mac boasts an elegant aluminum design to match the style and color of all your Mac devices. Add up to 4 peripherals quickly and easily with the Sabrent 4-Port USB 2.0 Hub.
Add four external USB 3.0 ports to your notebook or Ultrabook™ with a slim, portable hub
IOGEAR's 4-Port USB 2.0 Hub provides 4 Hi-Speed USB 2.0 ports for your USB connectivity needs. This device is USB 2.0 compliant and provides a high-speed data transfer rate.
Kanex USB-C Portable - Hub - 3 x SuperSpeed USB 3.0 + 1 x 1000Base-T - desktop
Add 4 USB 3.0 hub ports, plus 3 dedicated USB charging ports (7 total) through a single USB 3.0 host connection
Turn any laptop into a portable console for rack servers, PCs, ATMs, kiosks and more
Expand your network connectivity with this rugged unmanaged 10/100Mbps switch
Add 7 Hi-Speed USB 2.0 ports to your laptop for quick and easy access. The 7-Port Ultra-Slim Desktop Hub adds seven easy-access USB ports to your laptop/netbook/Ultrabook - perfect for connecting a keyboard, mouse, thumb drive, charging cable.
Add USB 3.0 hub ports to your Windows-based tablet, or any laptop, plus add a separate fast-charge port through a single USB 3.0 connection
StarTech.com 2 Port USB DVI KVM Switch with DDM Fast Switching and Cables - KVM / USB switch - 2 x KVM / USB - 1 local user - desktop
StarTech.com 2 Port USB VGA KVM Switch with DDM Fast Switching and Cables - KVM / USB switch - 2 x KVM / USB - 1 local user - desktop
Scale your Power over Ethernet connection by 100m, or daisy chain up to four extenders for longer distance
D-Link DES 1018MP - Switch - unmanaged - 16 x 10/100 (PoE) + 2 x combo Gigabit SFP - desktop - PoE (80 W)
Add seven USB 3.0 ports and two USB fast-charge ports to your computer