Lenovo System x3550 M5, Installation And Service Manual

Page: 23 / 1144

• Minimum configuration: 460.62 Btu per hour (ac 135 watts)
• Maximum configuration: 3490 Btu per hour (ac 1023 watts)
Environment:
Server on :
• Temperature:
– 5°C to 40°C (41°F to 104°F)
– Altitude: 0 m to 950 m (3,117 ft); decrease the maximum system temperature by 1°C for every
175-m increase in altitude.
• Humidity:
– Non-condensing: -12°C dew point (10.4°F)
– Relative humidity: 8% to 85%
• Maximum dew point: 24°C (75.2°F)
• Maximum altitude: 3,050 m (10,000 ft), 5°C to 28°C (41°F to 82°F)
• Maximum rate of temperature change:
– Tape drives: 5°C/hr (41°F/hr)
– Hard disk drives: 20°C/hr (68°F/hr)
Server off :
• Temperature: 5°C to 45°C (41°F to 113°F)
• Relative humidity: 8% to 85%
• Maximum dew point: 27°C (80.6°F)
Storage (non-operating):
• Temperature: 1°C to 60°C (33.8°F to 140°F)
• Maximum altitude: 3,050 m (10,000 ft)
• Relative humidity: 5% to 80%
• Maximum dew point: 29°C (84.2°F)
Shipment (non-operating):
• Temperature: -40°C to 60°C (-40°F to 140°F)
• Maximum altitude: 10,700 m (35,105 ft)
• Relative humidity: 5% to 100%
• Maximum dew point: 29°C (84.2°F)
Attention:
• Design to ASHRAE Class A3, ambient of 40°C, with relaxed support:
– Support cloud like workload with no performance degradation acceptable (Turbo-Off).
– Under no circumstance, can any combination of worst case workload and configuration result in
system shutdown or design exposure at 40°C.
• Specific processors supported environment:
– Processor E5-2699 v4, E5-2698 v4, E5-2697 v4, E5-2690 v4, E5-2667 v4, E5-2643 v4, and
E5-2637 v4 are not supported with rear hard disk drive installed.
Chapter 1
.
The Lenovo System x3550 M5 server
9