SIIG DP CyberSerial 4S PCIe

Add up to four extra RS232 Serial ports to your system for scanners, POS displays, and more with the SIIG DP CyberSerial 4S PCIe. It slots into any x1 PCIe slot on your motherboard and features built-in 256-byte FIFO buffers, which increases data transfer speeds with Windows systems, an onboard power connector for additional power, and a four-layer PCB with separate data and grounding layers. The four Serial ports work as standard RS-232 ports or with 5 V or 12 V power output for devices that require power. Each 9-Pin Serial connector supports asynchronous transfer speeds of up to 921 Kb/s.