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.
The TP-Link 8-Port Gigabit desktop switch TL-SG1008D provides you an easy way to make the transition to Gigabit Ethernet. Increase the speed of your network server and backbone connections, or make Gigabit to the desktop a reality.
Add four USB 3.0 ports to your laptop or Ultrabook using this slim, portable hub with an extended-length cable
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
DES-1210-28P Web Smart PoE switch includes advanced management functions including SNMP, Web Management, SmartConsole Utility, and compact command line provides a complete and affordable solution for small and medium businesses.
D-Link SmartPro DGS-1510-28XMP - Switch - L3 - managed - 24 x 10/100/1000 (PoE+) + 4 x 10 Gigabit SFP+ - desktop, rack-mountable - PoE+ (370 W)
24-port 10/100/1000 PoE+ switch with 1 open uplink module slot and 1 open backplane stacking module slot, Dual ARM Coretex A9 @ 1 GHz, 2 GB DDR3 SDRAM, up to 95.2Mpps Throughput, 160 Gbps Routing/switching capacity
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.
Add ten USB 3.0 (5Gbps) ports with this DIN rail or surface-mountable metal hub
Add seven USB 3.0 ports and two USB fast-charge ports to your computer
48-port 10/100/1000 PoE+ switch with 1 open uplink module slot and 1 open backplane stacking module slot, Dual ARM Coretex A9 @ 1 GHz, 2 GB DDR3 SDRAM, up to 190.5 Mpps Throughput, 320 Gbps Routing/switching capacity
Kanex USB-C Portable Hub - Network adapter - USB Type-C - USB 3.0 x 3 + Gigabit Ethernet x 1 - black
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.