Conceptronic PCI Express Card 2-Port Serial. Host interface: PCIe, Output interface: RS-232, Expansion card standard: PCIe 1.1. Product colour: Green, Country of origin: China. Data transfer rate (max): 2.5 Gbit/s, FIFO (First In, First Out): 256 B. Width: 59 mm, Depth: 1.6 mm, Height: 78 mm. Package width: 140 mm, Package depth: 30 mm, Package height: 165 mm