Digi AccelePort® Xem. Data transfer rate: 0.115 Mbit/s. Operating temperature range (T-T): 10 - 55 °C, Storage temperature range (T-T): -25 - 85 °C, Operating relative humidity range: 5 - 90 %. Safety: EN60950, UL 1950, CSA 22.2 No. 950. Interface: Universal PCI (3.3v & 5v), Built-in processor: IDT 3081 RISC. Compatible operating systems: -Microsoft Windows Server 2003 -Microsoft Windows Vista -Microsoft Windows 2000/XP