Table 16. USB specificationsFront panel Back panel InternalTwo 4-pin USB 2.0-compliant Two 4-pin USB 2.0-compliant Two 4-pin USB 2.0-compliantTwo 4-pin USB 3.0-compliant Four 4-pin USB 3.0-compliant -NIC portThe PowerEdge T30 system supports a Network Interface Controller (NIC) port on the back panel, which is available in 10/100/1000Mbps NIC configurations.Video specificationThe PowerEdge T30 system supports:• Intel® HD Graphics P530 for Intel Xeon E3-1200 v5 processor• Intel® HD Graphics 510 for Intel Pentium processor• Intel® HD Graphics 530 for Intel Core i3 series processorEnvironmental specificationsNOTE: For additional information about environmental measurements for specific system configurations, see Dell.com/environmental_datasheets.Table 17. Environmental specificationsType Condition Temperature or SpecificationTemperatureMaximum Temperature Gradient (Operating and Storage) 20 °C/h (36 °F/h)Storage Temperature Limits –40 °C to 65 °C (–40 °F to 149 °F)Continuous operation (for altitude less than 950 m or 3117 ft) 5 °C to 35 °C (41 °F to 95 °F) with no direct sunlight onthe equipment.Relative HumidityStorage 5% to 95% RH with 33 °C (91 °F) maximum dew point.Atmosphere must be non-condensing at all times.Operating 10% to 80% Relative Humidity with 29 °C (84.2 °F)maximum dew point.Maximum VibrationOperating 0.26 Grms at 5 Hz to 350 Hz (operating orientation).Storage 1.37 Grms at 5 Hz to 200 Hz for 15 minutes (all six sidestested).Maximum ShockOperating Six consecutively executed shock pulses in the positive andnegative x, y, and z axes of 6 G for up to 11 ms.20 Technical specifications