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
Sabrent HB-MAC3 - Hub - 4 x SuperSpeed USB 3.0 - desktop
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.
With the UDS1100, virtually any piece of equipment with a serial port can be added to an Ethernet network in a matter of minutes!
The B155-004-DP-V2 4-Port Mini DisplayPort 1.2 to DisplayPort MST Hub connects four DisplayPort monitors to the Mini DisplayPort output on your computer.
The B155-004-HD-V2 4-Port Mini DisplayPort 1.2 to HDMI MST Hub connects up to four HDMI monitors to the Mini DisplayPort (MDP) output on your computer.
The B156-004-HD-V2 4-Port DisplayPort 1.2 to HDMI MST Hub connects up to four HDMI monitors to the DisplayPort output on your computer.
Control up to 8 USB or PS/2-connected computers from one keyboard, mouse and monitor.
The GS510TLP 8-Port Gigabit Smart Managed Switch with PoE+ and 2 SFP Ports joins the NETGEAR Standalone Smart Managed Switches family, adding full 8 port PoE+ support for deployment of modern high-power PoE devices.
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 7 external, USB 3.0 ports to a computer from a single USB connection
Connect five Ethernet devices to your network, including two Power over Ethernet (802.3af) devices, even in locations without a power source
The B156-002-DVI-V2 2-Port DisplayPort 1.2 to DVI MST Hub connects two DVI monitors to the DisplayPort output on your computer.
Add 3 external USB 3.0 ports with UASP and a Gigabit Ethernet port to your Ultrabook™ or laptop through a single USB 3.0 port
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
Connect Gigabit Ethernet data and power to 4 PoE-enabled devices, with 2 additional GbE ports - DIN/Wall Mountable. The IES61002POE 6-Port Industrial PoE+ switch lets you connect Gigabit Ethernet data and power to four PoE-enabled devices.
StarTech.com 5 Port Industrial Gigabit Ethernet Switch - DIN / Wall-Mount - Switch - 5 x 10/100/1000 - desktop, DIN rail mountable, wall-mountable - DC power
The NG5P 5-Port 10/100/1000 Mbps Desktop Gigabit Ethernet Unmanaged Switch adds 10/100/1000 Mbps Ethernet capacity to your home office, small office, workgroup or creative production environment.