Atto CTFC-44ES-0R0. Host interface: PCIe, Output interface: FC. Data transfer rate: 3.2 Gbit/s. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -40 - 70 °C, Storage relative humidity range: 5 - 95 %. Colour of product: Green. Platform: PC, Form factor: Full Height, Compatible operating systems: Windows Server 2003/2008/XP/Vista/7 Linux Mac OS X (10.4.x - 10.6.x)