Turn a single USB 2.0 port into 4 external USB 2.0 ports
Add an RS232 serial port with COM retention to your laptop or desktop computer through USB
Add four external SuperSpeed USB 3.0 ports from a single USB connection
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 USB 3.0 ports to your laptop or Ultrabook using this slim, portable hub with an extended-length cable
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.
D-Link xStack DGS-3450 - Switch - managed - 48 x 10/100/1000 + 4 x shared SFP - desktop
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
Plugable USB3-HUB7BC - Hub - 7 x SuperSpeed USB 3.0 - desktop
StarTech.com 5 Port Unmanaged Industrial Gigabit PoE Switch with 4 Power over Ethernet ports - Switch - unmanaged - 4 x 10/100/1000 (PoE) + 1 x 10/100/1000 - wall-mountable - PoE (62 W)
The Intellinet 8-Port Gigabit Ethernet PoE+ Switch (560641) is designed to pass both data and electrical power to a number of PoE-compatible devices via standard Cat5e or Cat6 network cables.
Tripp Lite's NSU-G24 combines a 1.44kW single-phase 120V Basic Power Distribution Unit (PDU) with an Unmanaged 24-Port Gigabit Ethernet Switch for an all-in-one 1U rack-mount solution.
The NG8P 8-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.
D-Link xStack DGS-3620-28SC - Switch - L3 - managed - 20 x SFP + 4 x combo Gigabit GBIC + 4 x 10 Gigabit SFP+ - desktop
The SE3016 16-Port Gigabit Ethernet Switch from Linksys features 16 Gigabit Ethernet ports allowing you to add additional reliable data ports to your existing network.
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.
Plugable USB3-HUB10C2 - Hub - 10 x SuperSpeed USB 3.0 - desktop
Kanex USB-C Portable Hub - Network adapter - USB Type-C - USB 3.0 x 3 + Gigabit Ethernet x 1 - black
The NG8 8-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.
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.
Tripp Lite's B156-004-HD 4-Port DisplayPort 1.2 to HDMI MST Hub allows you to connect four independent HDMI monitors to a single DisplayPort output on your computer.