Network Adapters (144 items)

Add 4 RS232 serial ports to any PC using a single PCI Express expansion slot The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe...

Add 4 RS232 serial ports with 5V or 12V selectable power output to your computer, through a PCI slot The PCI4S954PW 4-Port PCI Serial Card (with Power Output) turns a PCI slot into 4 RS232 (DB9) se...

Add four ports supporting three serial protocols, to easily connect serial devices to your computer through USB, with 15kV ESD protection Add four extra COM ports to your laptop or desktop computer...

Add four USB 3.0 ports with four independent channels, LP/SATA power, and charging support to your PC through a PCI Express slotThe PEXUSB3S44V 4-Port PCI Express USB 3.0 Card lets you add four, de...

Add 4 DIN Rail-mountable RS232 Serial ports to any system through USB The ICUSB2324I 4-Port Industrial USB to Serial Hub with DIN Rail Clips converts a single USB port into four RS232 serial ports,...

Add four Gigabit Ethernet ports to a client, server or workstation through a single PCI Express slot Here’s a dependable and cost-effective way to add four high-performance Gigabit Ethernet ports t...

PCI Express to Serial Adapter | 921.6Kbps | Windows and Linux Compatible This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express...

The PEXUSB3S42V 4-Port PCI Express USB 3.0 Card lets you add four USB 3.0 ports with two dedicated 5 Gbps channels to your PCIe x4-enabled PC. This independent port architecture improves USB 3.0 pe...

Add four Gigabit Ethernet ports to a client, server or workstation through one PCI Express slot Now you can add four separate Gigabit network ports to your client, server or workstation through jus...

Add three USB-A ports and one USB-C port, via two host controllers, through a standard PCI Express slot This USB 3.1 PCIe card lets you add three USB Type-A ports and one USB Type-C port to your co...

USB 3.2 Gen 2 (10 Gbps) | PCI-Express 3.0 | PCIe x4 Slot | USB Type-A This PCIe USB 3.2 Gen 2 controller card installs into an available PCI-Express x4 slot in your computer and enables you to upgr...

USB LAN Adapter | IEEE 802.3bz | Windows® | LinuxAdd 5G network access to your laptop, using a USB A port. This USB 3.0 Type A to Gigabit network adapter gives you wired Ethernet network and Intern...

USB LAN Adapter | IEEE 802.3bz | Windows® | LinuxAdd 5G network access to your laptop, using a USB-C port. This USB 3.0 Type-C to Gigabit network adapter gives you wired Ethernet network and Intern...

Add an RS422/485 serial port to your system through USB; features COM port retention The ICUSB422 6 ft Professional RS422/485 USB Serial Cable Adapter with COM Port Retention lets you connect RS422...

Add a DB25 parallel port to any PC or laptop with a free USB port The ICUSB1284D25 6 ft USB to DB25 Parallel Printer Adapter Cable turns an available USB port on a host PC into a DB25 Female Parall...