338  IBM System Storage N series Hardware Guide
N6270
The N6270 Models C22, E12, and E22 feature the following physical specifications:
ň° Width: 44.7 cm (17.6 in.)
ň° Depth:
â 71.3 cm (28.1 in.) with cable management arms
â 64.6 cm (25.5 in.) without cable management arms 
ň° Height: 13 cm (5.12 in.) (times 2 for E22) 
The N6270 Models C22, E12, and E22 feature the following operating environment 
specifications:
ň° Temperature:
â Maximum range: 10 - 40 degrees C (50 - 104 degrees F)
â Recommended: 20 - 25 degrees C (68 - 77 degrees F)
â Non-operating: -40 - 70 degrees C (-40 - 158 degrees F) 
ň° Relative humidity:
â Maximum operating range: 20% - 80% (non-condensing)
â Recommended operating range: 40% - 55%
â Non-operating range: 10% - 95% (non-condensing)
â Maximum wet bulb: 28 degrees C
â Maximum altitude: 3050 m (10,000 ft.)
 
ň° Wet bulb (caloric value): 1847 Btu/hr
ň° Maximum electrical power: 100 - 240 V ac, 12 - 8 A per node, 50 - 60 Hz
ň° Nominal electrical power: 
â 100 - 120 V ac, 4.7 A; 
â 200 - 240 V ac, 2.3 A, 50-60 Hz
ň° Noise level:
â 55.5 dBa @ 1 m @ 23 degrees C
â 7.5 bels @ 1 m @ 23 degrees C 
N7000 high-end systems
This section lists N7000 high-end specifications.
N7950T
The IBM System Storage N7950T Model E22 features the following physical specifications:
ň° Width: 44.7 cm (17.6 in.)
ň° Depth:
â 74.6 cm (29.4 in.) with cable management arms
â 62.7 cm (24.7 in.) without cable management arms
ň° Height: 51.8 cm (20.4 in.)
Warning: Operating at environmental extremes can increase failure probability.