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.
D-Link xStack DGS-3620-28SC - Switch - L3 - managed - 20 x SFP + 4 x combo Gigabit GBIC + 4 x 10 Gigabit SFP+ - desktop
D-Link SmartPro DGS-1510-28X - Switch - L3 - managed - 24 x 10/100/1000 + 4 x 10 Gigabit SFP+ - desktop, rack-mountable
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
GIGABIT-SX-LC MINI-GBIC # J4858C FOR HP PROCURVE (100% HP COMPATIBLE
Kanex USB-C Portable - Hub - 3 x SuperSpeed USB 3.0 + 1 x 1000Base-T - desktop
The 24 Port Gigabit +4SFP Port POE Web Smart Ethernet Switch from V7 is designed to maximize system functionality. It features Power Over Ethernet (POE) ports that automatically detect and supply power with those 802.3at compliant Powered Devices.
ASUS GP-105 - Switch - 4 x 10/100/1000 (PoE+) + 1 x 10/100/1000 - desktop, rack-mountable - PoE+ (80 W)
ASUS GP-108 - Switch - 8 x 10/100/1000 (PoE+) - desktop, rack-mountable - PoE+ (130 W)
The energy-efficient NSS-G24D2P24 24-Port PoE+ Gigabit L2 Managed Network Switch does more than complete your home or office LAN.
NETGEAR ProSAFE XS708T - Switch - L3 Lite - smart - 8 x 10GBase-T + 2 x shared 10 Gigabit SFP+ - desktop, rack-mountable
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.
Displays the same image on 3 HDMI monitors, extends the desktop across all three, or combines all into one large monitor. Ideal for digital signage in schools, churches, conference rooms, trade shows and retail outlets.
NETGEAR ProSAFE XS716E - Switch - managed - 16 x 10GBase-T + 1 x shared 10 Gigabit SFP+ - desktop, rack-mountable
The NG5 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.
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.
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.