ITEM NAME:PCIe 2 Port Serial Expansion Card PCI-E to Converter Adapter for Desktop PC Description: - Complies with PCI - Express 1.0 a standard - Driver support win 9X/Me/2000/XP/2003/Vista, Linux, win7 - The serial port part has the interrupt control address to better solve the complex transmission control system, so that the data stream will not be lost stably and effectively. - Output two independent 9-pin standard serial ports, exclusive interrupt port number instead of virtual device, can access a variety of serial device data transfer rate: 110-230400Bps Specification: - Material: PCB - Size: 115*70*18mm Package Included: 1x CD 1x PCIE Adapter Card.1x PCIE Adapter Card.