Add an RS232 serial port with COM retention to your laptop or desktop computer through USB
Tripp Lite U360-004-MINI is a compact, 4-Port USB 3.0 SuperSpeed hub, with built-in cable, that provides up to 5Gbps transfer rates in a compact, portable format ( Computer and devices must be both USB3.0 rated to achieve maximum 5Gbps speeds ).
The ProCurve 10-GbE SFP+ 7m Cable is a A low-price 10-Gigabit connectivity option consisting of a 7 m cable with SFP+ connectors permanently attached to each end.
TP-LINK JetStream TL-SG2216 - Switch - managed - 16 x 10/100/1000 + 2 x combo Gigabit SFP - rack-mountable
Add four external SuperSpeed USB 3.0 ports from a single USB connection
Sabrent HB-MAC3 - Hub - 4 x SuperSpeed USB 3.0 - desktop
Upgrade the data paths of your local wired network to information superhighways with Gigabit switches at the desktop. Accelerate your performance and productivity when you send large files to network servers, drives, and printers at Gigabit speed.
Easily add an additional USB port to your PC or laptop!
Turn a single USB 2.0 port into 7 external USB 2.0 ports
TP-LINK JetStream T1600G-52TS - Switch - managed - 48 x 10/100/1000 + 4 x combo Gigabit SFP - rack-mountable
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.
Plugable Power 2015 Smart Charger - Power adapter - 40 Watt - 8 A - 5 output connectors (USB (power only))
DGS-1100 Series Gigabit Smart Managed Switches provide an affordable solution for businesses of all sizes that require simple network management.
D-Link DES 1018MP - Switch - unmanaged - 16 x 10/100 (PoE) + 2 x combo Gigabit SFP - desktop - PoE (80 W)
CyberPower CP-H430P - Hub - 4 x SuperSpeed USB 3.0 - 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
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 2 Port Industrial PCIe RS232 Serial Card w/ Power and ESD - Serial adapter - PCIe 2.0 - RS-232 x 2
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
Kanex USB-C Portable - Hub - 3 x SuperSpeed USB 3.0 + 1 x 1000Base-T - desktop
Connect five Ethernet devices to your network, including two Power over Ethernet (802.3af) devices, even in locations without a power source
Add four USB 3.0 (5Gbps) ports to your laptop, including three USB Type-A charge-and-sync ports, and one USB Type-C port
Turn your laptop's USB Type-C port into one USB Type-A and one USB Type-C port (5Gbps), plus power and charge your laptop