StarTech.com 2-Port PCI-E Serial Card. Host interface: PCIe, Output interface: PCI-Express, Connector(s): 2x DB 9-pin Serial M, 1x LP4 M. Data transfer rate: 0.4 Mbit/s. Depth: 105 mm, Height: 20 mm, Weight: 63.5 g. Certification: CE, FCC, WHQL. Operating temperature range (T-T): -20 - 85 °C, Operating relative humidity range: 5 - 85 %, Storage relative humidity range: -40 - 85 %