Setup Guide

Table 15. Power ratings (continued)
Description Option one Option two
Input voltage
90 VAC–264 VAC 90 VAC–264 VAC
Input frequency
47 Hz–63 Hz 47 Hz–63 Hz
Input current (maximum)
5 A 7 A
Output current (continuous)
18 A 18 A
Rated output voltage
12 VDC 12 VDC
Temperature range
Operating
5°C to 45°C (41°F to 113°F) 5°C to 45°C (41°F to 113°F)
Storage
-40°C to 70°C (-40°F to 158°F) -40°C to 70°C (-40°F to 158°F)
Operating and storage environment
This table lists the operating and storage specifications of your XPS 8940.
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
Table 16. Computer environment
Description Operating Storage
Temperature range
10°C to 35°C (50°F to 95°F) -40°C to 65°C (-40°F to 149°F)
Relative humidity (maximum)
20% to 80% (non-condensing) 5% to 95% (non-condensing)
Vibration (maximum)
*
0.26 GRMS 1.37 GRMS
Shock (maximum)
40 G†, 2.5 ms 105 G†, 2.5 ms
Altitude range
-15.2 m to 3048 m (-49.87 ft to 10000
ft)
-15.2 m to 10668 m (-49.87 ft to 35000
ft)
CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing
the device outside these ranges may impact the performance of specific components.
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse when the hard drive is in use.
Specifications of XPS 8940
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