StarTech.com 4 Port PCI Express Low Profile High Speed USB Card. Host interface: PCIe, Connector(s): 4x USB A FM. Data transfer rate: 480 Mbit/s. Width: 80 mm, Depth: 90 mm, Height: 20 mm. Certification: CE, FCC, ROHS. Operating temperature range (T-T): 0 - 75 °C, Storage temperature range (T-T): -40 - 125 °C, Operating relative humidity range: 0 - 80 %