APC KVM 2G, Server Module, USB Troubleshoot servers and diagnose problems in lieu of a working operating system with POST and BIOS-level access to servers. Cascade multiple KVM switches for a modular solution that supports multiple platforms, improving flexibility and simplifying future expansion. Please see the user's manual for specific cascading capabilities. Windows, Sun, Unix and Linux compatible. Conserve valuable rack space in the data center. Physical Net Weight 0.26 lbs. (0.12 kg) Maximum Height 0.54 inches (14 mm) Maximum Width 4.92 inches (125 mm) Maximum Depth 4.92 inches (125 mm) Shipping Weight 0.35 lbs. (0.16 kg) Shipping Height 1.65 inches (42 mm) Shipping Width 4.92 inches (125 mm) Shipping Depth 5.08 inches (129 mm) Environmental Operating Environment 32 - 122 °F (0 - 50 °C) Storage Temperature 14 - 140 °F (-10 - 60 °C) Operating Relative Humidity 5 - 95% Storage Relative Humidity 5 - 95% Operating Elevation 0-10000 feet (0-3000 meters) Storage Elevation 0-50000 feet (0-15000 meters)