Network Adapters (2,783 items)

Add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot The PEX4S232485 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 lets you add tw...

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...

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 4 SuperSpeed USB 3.0 ports to a computer through a PCI slot The PCIUSB3S4 4-Port PCI to USB 3.0 Card enables legacy PCI slots to support the SuperSpeed USB 3.0 standard, which is capable of dat...

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...

Add Four RS232 Serial Ports to an Embedded System through a mini PCI Express Slot The MPEX4S952 4-Port RS232 Mini PCI Express Serial Card (16650 UART) turns a mini-PCIe slot into four RS232 (DB9) s...

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 (USB 3.2 Gen 1) ports with four independent channels, LP/SATA power, and charging support to your PC through a PCI Express slot The PEXUSB3S44V 4-Port PCI Express USB 3.2 Gen 1 Car...

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...

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 4 FireWire ports to a desktop computer through a PCI slot This 4 Port (3 External/1 Internal) PCI 1394 FireWire Adapter Card lets you connect iPods, MP3 players, portable drives, digital camcor...

Add 4 external USB 3.0 (USB 3.2 Gen 1) ports to a low profile or standard computer, through PCI Express The PEXUSB3S4V PCI Express USB 3.2 Gen 1 Card (with SATA Power) adds 4 external USB 3.2 Gen 1...

Add four USB 3.0 (USB 3.2 Gen 1) ports with two independent channels, LP/SATA power, and charging support to your PC through a PCI Express slot The PEXUSB3S42V 4-Port PCI Express USB 3.2 Gen 1 Card...

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...