Ambient temperature
• Operating
– ASHRAE class A2: 10°C to 35°C (50°F to 95°F)
The maximum ambient temperature decreases by 1°C for every 300 m (984
ft) increase in altitude above 900 m (2,953 ft)
– ASHRAE class A3: 5°C to 40°C (41°F to 104°F)
The maximum ambient temperature decreases by 1°C for every 175 m (574
ft) increase in altitude above 900 m (2,953 ft)
– ASHRAE class A4: 5°C to 45°C (41°F to 113°F)
The maximum ambient temperature decreases by 1°C for every 125 m (410
ft) increase in altitude above 900 m (2,953 ft)
• Server off: -10°C to 60°C (14°F to 140°F)
• Shipment/storage: -40°C to 70°C (-40°F to 158°F)
Maximum altitude 3050 m (10 000 ft)
Relative humidity (non-
condensing)
• Operating:
– ASHRAE class A2: 20%–80%; maximum dew point: 21°C (70°F)
– ASHRAE class A3: 8%–85%; maximum dew point: 24°C (75°F)
– ASHRAE class A4: 8%–90%; maximum dew point: 24°C (75°F)
• Shipment/storage: 8%–90%
Vibration and shock
The server has the following vibration and shock limits:
• Vibration
– Operating: 0.21 G rms at 5 Hz to 500 Hz for 15 minutes across 3 axes
– Non-operating: 1.04 G rms at 2 Hz to 200 Hz for 15 minutes across 6 surfaces
• Shock
– Operating: 15 G for 3 milliseconds in each direction (positive and negative X, Y, and Z axes)
– Non-operating:
– 23-31 kg: 35 G for 152 in./sec velocity change across 6 surfaces
– 32 kg - 68 kg: 35 G for 136 in./sec velocity change across 6 surfaces
Acoustic noise emissions
The server has the following acoustic noise emissions declaration.
Configuration Sound power levels (LWAd) Sound pressure level (LpAm)
Typical
• Idling: 5.9 Bel
• Operating: 6.2 Bel
• Idling: 42.6 dBA
• Operating: 45.8dBA
Storage
• Idling: 7.6 Bel
• Operating: 7.6 Bel
• Idling: 60 dBA
• Operating: 60.3 dBA
GPU
• Idling: 7.2 Bel
• Operating: 8.5 Bel
• Idling: 56.3 dBA
• Operating: 68.5 dBA
8 ThinkSystem SR650 V2Maintenance Manual
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