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
Sabrent HB-MAC3 - Hub - 4 x SuperSpeed USB 3.0 - desktop
Add four external SuperSpeed USB 3.0 ports from a single USB connection
TP-LINK JetStream T1600G-52TS - Switch - managed - 48 x 10/100/1000 + 4 x combo Gigabit SFP - rack-mountable
Turn a single USB 2.0 port into 7 external USB 2.0 ports
Easily add an additional USB port to your PC or laptop!
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.
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.
StarTech.com Punch Down Tool with 110 and 66 Blades - Punch-down tool
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.
Turn a single USB 2.0 port into 4 external USB 2.0 ports
Sabrent HB-UMP3 - Hub - 4 x SuperSpeed USB 3.0 - desktop
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 4 Port PCI Express (PCIe) RS232 Serial Card w/ Power and ESD - Serial adapter - PCIe low profile - RS-232 x 4
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)
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
Add four USB 3.0 (5Gbps) ports to your laptop, including three USB Type-A ports, and one USB Type-C port
IOGEAR HUB-C - Hub - 4 x SuperSpeed USB 3.0 - desktop
Tenda TEG3224P 24-Port 10/100/1000 w/ 4 Shared SFP POE Managed Switch
The Kramer VS-42HN 4 x 2 HDMI Matrix Switcher is a high-performance unit designed for transmitting HDMI signals. It reclocks and equalizes the signal, and routes any input to any or all outputs simultaneously.
2x 10G Ports + 8x Gigabit Ports perfect for a variety of mixed environments from soho to LAN parties.