QLogic 4-Gbps single port Fibre Channel to x4 PCI Express host bus adapter multi-mode optic. Host interface: PCIe. Data transfer rate: 4000 Mbit/s. Power consumption (typical): 5 W. Certification: EN60950-1: 2001 EN60825-1: 1994+A1+A2 EN60825-2: 1994 +A1. Operating temperature range (T-T): 0 - 55 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 10 - 90 %