Network Adapters (2,779 items)

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

Add a Centronics parallel port to your desktop or laptop PC through USB The ICUSB1284 6 ft USB to Parallel Printer Adapter - M/M allows USB capable PCs to print to any standard parallel printer, co...

Get the scalability you need by adding 7 USB 3.0 ports with SATA power to your computer Handle your workload more efficiently. This USB 3.0 card expands your computer’s capabilities by giving you s...

Add 7 USB 2.0 Ports to your PC through a PCI slot This PCI USB card adds seven USB 2.0 ports (1 internal USB A Female, 2 internal USB motherboard header, and 4 external USB A Female) to your PCI-ca...

Add 8 DIN Rail-mountable RS232 Serial ports to any system through USB The ICUSB2328I Industrial 8-Port USB to Serial Hub with DIN Rail Clips converts a single USB port into eight RS232 serial ports...

Add eight RS-232 capable DB9 Serial Ports to a desktop computer via PCIe x1 Expansion Card - Low Profile Serial Card (Full Profile Brackets Incl.) Add eight RS-232 DB9 serial ports to your desktop ...

Add Bluetooth 4.0 capabilities to a laptop or desktop computer through USB The USBBT1EDR4 USB to Class 1 Mini Bluetooth® Dongle lets you add Bluetooth wireless capabilities to a laptop or desktop c...

The USBBT1EDR2 USB to Class 1 Bluetooth Adapter with EDR is a micro-sized adapter that adds Bluetooth capabilities to a computer through an available USB port. This makes it possible to connect to ...

Dual NIC Card | Windows® & Mac | 2 x RJ45 | x8 PCIe 2.0 | Low-Profile Bracket Incl. This dual-port 10Gb PCIe network card offers a versatile and low-cost way to deploy 10GbE network connectivity. I...

Add two high-bandwidth 40 Gigabit fiber Ethernet ports to your server or workstation, using the QSFP+ transceiver of your choice Get fast, high-bandwidth connectivity with this dual-port QSFP+ Netw...

Converged Fiber NIC Adapter | PCIe | 40Gbps | 1x QSFP+ Slot Get fast, high-bandwidth connectivity with this QSFP+ server network card. The converged network adapter adds an open QSFP+ slot to your ...

Add 2 Gigabit Ethernet ports to your laptop, through a single ExpressCard slot The EC2000S 2-port Gigabit ExpressCard Ethernet Adapter adds 2 10/100/1000Mbps Ethernet ports to an ExpressCard-enable...

The ST1000SPEXD4 PCI Express Dual-Port Gigabit Network Card lets you add two gigabit Ethernet ports to a client, server or workstation through a single PCIe slot. Each port provides 10/100/1000 Mbp...

Add dual Gigabit Ethernet ports to a client, server or workstation through a PCI Express slot The ST2000SPEXI PCI Express Dual Port Gigabit Network Card lets you add two gigabit Ethernet ports to a...

The ST2000PEXPSE Dual Port PoE NIC provides two 10/100/1000 Mbps PoE RJ45 ports that can provide up to 25.5W of power each, combining a network data connection and power on a single cable, for less...