Physical specifications
The SR250 server has the following dimensions and weight (approximate):
Height: 43 mm (1.7 in)
Width: 434 mm (17.1 in)
Depth: 498 mm (19.6 in)
Weight:
Base configuration: 9.1 kg (20.1 lb)
Maximum configuration: 12.3 kg (27.1 lb)
Operating environment
The SR250 server complies with ASHRAE class A2 specifications. The server performance might be impacted
when the operating temperature is outside the ASHRAE A2 specifications or in case of a system fan failure.
Depending on the hardware configuration, some server models comply with ASHRAE class A3 specifications.
To comply with ASHRAE class A3 specifications, the SR250 server models must be configured with 8x 2.5-
inch hot-swap drive bays and a processor with up to 80 W TDP.
The SR250 server is supported in the following environment:
Air temperature:
Operating:
ASHRAE Class A3: 5 °C - 40 °C (41 °F - 104 °F); for altitudes above 900 m (2,953 ft),
decrease the maximum ambient temperature by 1 °C for every 175-m (574-ft) increase in
altitude
ASHRAE Class A2: 10 °C - 35 °C (50 °F - 95 °F); for altitudes above 900 m (2,953 ft),
decrease the maximum ambient temperature by 1 °C for every 300-m (984-ft) increase in
altitude
Non-operating: 5 °C - 45 °C (41 °F - 113 °F)
Storage: -40 °C - +60 °C (-40 °F - 140 °F)
Maximum altitude: 3050 m (10,000 ft)
Humidity:
Operating:
ASHRAE Class A3: 8% - 85% (non-condensing); maximum dew point: 24 °C (75 °F)
ASHRAE Class A2: 8% - 80% (non-condensing); maximum dew point: 21 °C (70 °F)
Storage: 8% - 90% (non-condensing)
Electrical:
100 - 127 (nominal) V AC; 50 Hz / 60 Hz
200 - 240 (nominal) V AC; 50 Hz / 60 Hz
Acoustics:
Minimum configuration:
Operating: 5.3 bels
Idle: 4.9 bels
Maximum configuration:
Operating: 5.7 bels
Idle: 5.4 bels
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: 50 G for 152 in./sec velocity change across 6 surfaces
Lenovo ThinkSystem SR250 Server
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