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Environment
ThinkSystem SR650 V3 complies with ASHRAE Class A2 specifications with most configurations, and depending on
the hardware configuration, also complies with ASHRAE Class A3 and Class A4 specifications. System performance
may be impacted when the operating temperature is outside ASHRAE A2 specification.
Depending on the hardware configuration, SR650 V3 server also complies with ASHRAE Class H1 specification.
System performance may be impacted when the operating temperature is outside ASHRAE H1 specification.
The restrictions to ASHRAE support are as follows:
• The ambient temperature must be limited to 35°C or lower if the server has any of the following components:
– Broadcom 57416 10GBASE-T 2-port OCP
– Broadcom 57454 10GBASE-T 4-port OCP
– PCIe network interface card (NIC) at a rate greater than or equal to 100 GB
– Part with AOC and at the rate of 40 GB
• The ambient temperature must be limited to 30°C or lower if the server has any of the following components:
– 24 x 2.5" or 12 x 3.5" front bay, middle bay, or rear bay
– GPU adapter
– 256 GB 3DS RDIMM
– 350 W processor
– part with AOC and at a rate greater than 40 GB
• The ambient temperature must be limited to 25°C or lower if the server has any of the following components:
– 350 W processor installed in the chassis with 24 x 2.5" or 12 x 3.5" front drives
– 270 W processor installed in the chassis with middle or rear drives
– GPU adapter installed in the chassis with 24 x 2.5" front drives
– 36 NVMe configuration
– GPU adapter and processor with TDP rating greater than 300 W installed in the chassis with 16 x 2.5" or 8 x 3.5"
front drives
For detailed thermal information, see "Thermal rules" in User Guide or Hardware Maintenance Guide.
Note: When the ambient temperature is greater than the supported max temperature (ASHARE A4 45°C), the server
will shut down. The server will not power on again until the ambient temperature falls within the supported temperature
range.
• Air temperature:
– Operating:
– ASHRAE class H1: 5°C to 25°C (41°F to 77°F)
The maximum ambient temperature decreases by 1°C for every 500 m (1640 ft) increase in altitude above 900
m (2,953 ft)
– 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: 3,050 m (10,000 ft)
• Relative Humidity (non-condensing):
– Operating
– ASHRAE class H1: 8%–80%; maximum dew point: 17°C (62.6°F)
– ASHRAE class A2: 20%–80%; maximum dew point: 21°C (70°F)
– ASHRAE class A3: 8%–85%; maximum dew point: 24°C (75°F)
ThinkSystem SR650 V3 System Configuration Guide
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