Network Adapters (4,001 items)

Add 2 high-speed IEEE 1284 parallel ports (EPP/ECP/SPP/PS2) to your desktop computer through a PCI Express expansion slot The PEX2PECP2 2 Port PCI Express Parallel Adapter Card - EPP/ECP/SPP/PS2 pa...

Add two high performance RS232 serial ports (DB9) to your low or full-profile computer, through a PCI Express slot This PCI Express serial card adds two high-performance RS232 serial ports to your ...

Add a parallel port and two RS-232 serial ports to your PC through a PCI-Express expansion slot The PEX2S1P553B 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable combines the function...

Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot The PEX2S553 PCI Express serial card lets you turn a PCI Express slot into 2 RS232 (DB9...

Add 1 parallel port and 2 RS-232 serial ports to your standard or low-profile computer through a PCI Express expansion slot The PEX2S5531P 2S1P PCI Express Card turns a PCI Express slot into two RS...

Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI Express expansion slot The PEX2S553LP low profile/half-height PCI Express Serial Card turns a PCI Expr...

Add 2 RS-232 serial ports to your full height or low profile computer through a PCI Express slot The PEX2S952 PCI Express based serial card turns a PCI Express slot into 2 RS-232 (DB9) serial conne...

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

PCI Express to Serial Adapter | 921.4Kbps | Windows® and Linux® Compatible This RS232 Serial Adapter Card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slo...

The PEX300WN2X2 PCI Express Wireless N Card (PCIe x1) adds high speed wireless network connectivity to almost any PCI Express-enabled desktop/workstation PC. Using a 2T2R (2 Transmitter/2 Receiver)...

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 ...

Upgrade your desktop PC or server to powerful 802.11ac wireless networking. This AC600 network card fits easily into a PCI Express expansion slot to give you dual-band wireless-AC connectivity with...

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 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot The PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART lets y...