Dell Alienware Alpha (Late 2014) - Manual (Page 13)

Specifications
Views
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Storage Communications Video Audio
Power Adapter
Computer
Environment
Computer Environment
Airborne contaminant level G2 or lower as defined by ISA‑S71.04‑1985
Operating Storage
Temperature range 5°C to 35°C (41°F to 95°F) –40°C to 65°C (–40°F to 149°F)
Relative humidity (maximum) 10% to 90% (non‑condensing) 0% to 95% (non‑condensing)
Vibration (maximum) * 0.26 GRMS 1.37 GRMS
Shock (maximum) 40 G for 2 ms with a change
in velocity of 20 in/s (51 cm/s)
†
105 G for 2 ms with a change
in velocity of 52.5 in/s (133 cm/s)
Altitude (maximum) –15.24 m to 3048 m
(–50 ft to 10,000 ft) –15.24 m to 10,668 m
(–50 ft to 35,000 ft)
* 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.