IBM System x3630 M4 Product Manual page 35

Humidity:

Server on: 8% - 85%, maximum dew point 24 °C, maximum rate of change 5 °C/hr.
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Server off: 8% - 80%, maximum dew point 27 °C.
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Shipment: 5% - 100%.
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Design to ASHRAE Class A3, ambient of 35 °C - 40 °C, with relaxed support:
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Support cloud like workload with no performance degradation acceptable (Turbo-Off).
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Under no circumstance can any combination of worst case workload and configuration result in

system shutdown or design exposure at 40 °C.
Electrical
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Models with 900 W power supplies:
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100 to 127 (nominal) V ac; 50 Hz or 60 Hz; 10 A
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200 to 240 (nominal) V ac; 50 Hz or 60 Hz; 5 A
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Input kilovolt-amperes (kVA) (approximately):
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Minimum configuration: 0.15 kVA
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Maximum configuration: 1.02 kVA
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Models with 750 W hot-swap power supplies:

100 - 127 (nominal) V AC; 50 Hz or 60 Hz; 8.9 A
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200 - 240 (nominal) V AC; 50 Hz or 60 Hz; 4.5 A
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Input kilovolt-amperes (kVA) (approximately):

Minimum configuration: 0.14 kVA
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Maximum configuration: 0.90 kVA
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Models with 550 W hot-swap power supplies:

100 - 127 (nominal) V AC; 50 Hz or 60 Hz; 6.5 A

200 - 240 (nominal) V AC; 50 Hz or 60 Hz; 3.3 A

Input kilovolt-amperes (kVA) (approximately):

Minimum configuration: 0.12 kVA
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Maximum configuration: 0.66 kVA
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BTU output
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Minimum configuration: 406 Btu/hr (119 watts)
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Maximum configuration: 3480 Btu/hr (1020 watts)
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Noise level

6.6 bels (operating).

6.6 bels (idle).
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IBM System x3630 M4 (E5-2400) 35