Dell PowerEdge M910 Technical Manual

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DellPowerEdge M910 Technical Guide 205.3 AcousticsTable 3 shows the acoustical performance for a typical configuration of the M1000e chassis with fourPowerEdge M910 blade servers installed. Acoustical performance varies with hardwareconfigurations.Acoustical Performance of M1000e Chassis with Four M910 Blades InstalledTable 3.Typical Configuration (per blade) @ 23±2°CAmbient in M1000e Chassis OperatingModeLwA-UL(bels)Processors HardDrives DIMMs MezzanineCards2 x IntelE7540(105W)2 x 2.5‖SAS (10K)146GB24 x 4GBDDR34 x dual-portBroadcom®5709Idle 8.1DefinitionsIdle: Reference ISO7779 (2010) definition 3.1.7; system is running in its OS but has no other specificactivity.LwA–UL: The upper limit sound power level (LwA) calculated per section 4.4.2 of ISO 9296 (1988) andmeasured in accordance to ISO 7779 (2010).5.4 Environmental SpecificationsTable 4 lists the environmental specifications for the PowerEdge M910.Environmental SpecificationsTable 4.TemperatureOperating10°C to 35°C (50°F to 95°F) with a maximum temperature gradationof 10°C per hourNOTE: For altitudes above 2950 feet, the maximum operatingtemperature is derated 1°F/500ftStorage –40°C to 65°C (–40°F to 149°F) with a maximum temperaturegradation of 20°C per hourRelative HumidityOperating 20% to 80% (noncondensing) with a maximum humidity gradation of10% per hourStorage 5% to 95% (noncondensing) with a maximum humidity gradation of10% per hourMaximum VibrationOperating 0.26 Grms at 5–350Hz in operational orientationsStorage 1.54 Grms at 10–250Hz in all orientations