Sigma CyberSerial Dual 950. Host interface: PCI-X, Output interface: Serial RS232. Data transfer rate: 0.11 Mbit/s. Colour of product: Green. Platform: PC, Minimum system requirements: Windows 95/98/98SE/ME/NT 4.0/2000/XP (32-/64-bit)/Server 2003 (32-/64-bit)/Vista (32-/64-bit), Compliance industry standards: 16950 UART