Usb Peripherals - Dell PowerEdge M620 Technical Manual

Relative humidity
Operating See Dell Fresh Air for relative humidity information
Storage 5% to 95% at a maximum wet bulb temperature of 33°C (91°F); atmosphere must be
non-condensing at all times
Maximum vibration
Operating 0.26 Grms at 5Hz to 350Hz for 15 minutes
Storage 1.54 Grms at 10Hz to 250Hz for 15 minutes
Maximum shock
Operating One shock pulse in the positive z axis (one pulse on each side of the system) of 31G for up
to 2.6ms
Storage Six consecutively executed shock pulses in the positive and negative x, y, and z axes (one
pulse on each side of the system) of 71G for up to 2ms
Altitude
Operating –15.2m to 3048m (–50 ft to 10,000 ft)
Storage –15.2m to 12,000m (–50 ft to 39,370 ft)
Airborne contaminant level
Class G1 or lower as defined by ISA-S71.04-1985

USB peripherals

USB peripherals are supported through the front USB ports, which are USB 2.0 compliant.
44 PowerEdge M620 Technical Guide