expansion boards  (2,909 offers of 2,568,442 product items)

This PCI card can run at an amazing speed of up to 18,000,000 baud. It provides 2 industry standard RS422/485 serial ports for PC compatibles in a single PCI slot. The card has on-board zener diode...

This half size card can run at an amazing speed of up to 15,000,000 baud. It provides 2 industry standard RS422/485 serial ports for PC compatibles in a single PCI slot. The card has on-board zener...

Ethernet to DIO device: 3 Form A Relays and 3 Digital Inputs. Powerful ARM 80 MHz, 32 Bit CPU. Offers robust and intelligent 'control side' devices that provide the interface to systems on the 24V ...

Ethernet to DIO device with Serial port: 4 digital input channels . Powerful ARM 80 MHz, 32 Bit CPU. Offers robust and intelligent 'control side' devices that provide the interface to systems on th...

PCI Express providing eight RS232 serial ports. Megabaud data transfer rates and the 32 byte deep transmit and 32 byte recieve FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising perfor...

PCI Express providing eight RS232 serial ports. Megabaud data transfer rates and the 32 byte deep transmit and 32 byte recieve FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising perfor...

PCI Express card provides 2 industry low profile 9 pin RS232 serial COM ports, fits in any PCI Express slot e.g., x1, x4, x8 or x16 lanes. - Fits on x1, x4, x8 or x16 PCI Express expansion slot - 2...

PCI Express card provides 1 industry standard 9 pin RS232 serial COM port, fits in any PCI Express slot e.g., x1, x4, x8 or x16 lanes. With Brainboxes industry renowned Lifetime Warranty and Lifeti...

PCI Express card provides 2 industry standard 9 pin RS232 serial COM ports, fits in any PCI Express slot e.g., x1, x4, x8 or x16 lanes. With Brainboxes industry renowned Lifetime Warranty and Lifet...

Low profile PCI Express Card providing one RS422/485 serial port. Up to 921,600 data transfer rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deli...

Low profile PCI Express Card providing one opto isolated RS422/485 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmitand 128 byte receive FIFOS, coupled with 1...

PCI Express card provides 4 industry standard 9 pin RS232 serial COM ports, fits in any PCI Express slot e.g., x1, x4, x8 or x16 lanes. - Fits in x1, x4, x8 or x16 PCI Express expansion slot - 256 ...

PCI Express card provides 3 industry standard 9 pin RS232 serial COM ports, fits in any PCI Express slot e.g., x1, x4, x8 or x16 lanes. With Brainboxes industry renowned Lifetime Warranty and Lifet...

USB to Serial device providing 1 RS232 serial port. Up to 921,600 data transfer rates and the 128 byte deep transmit and 256 byte receive FIFOS. USB to Serial is the quick low cost way to connect y...

Do you need a cost effective controller that provides fast access to the data on the internal server drives and without using a PCIe slot? The HP H240ar Smart Host Bus Adapter comes in a Flexible S...