334  IBM System Storage N series Hardware Guide
N3000 entry-level systems
This section lists N3000 entry-level specifications.
N3400
The IBM System Storage N3400 features the following physical specifications:
ň° Width: 446 mm (17.6 in)
ň° Depth: 569 mm (22.4 in)
ň° Height: 88.5 mm (3.5 in)
ň° Weight: 19.5 kg (43.0 lb) - Model A11
ň° Weight: 21.5 kg (47.4 lb) - Model A21
ň° Weight: Add 0.8 kg (1.8 lb) for each SAS drive
ň° Weight: Add 0.65 kg (1.4 lb) for each SATA drive 
The IBM System Storage N3400 features 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): 853 Btu/hr
ň° Maximum electrical power: 100 - 240 V ac, 10 - 4 A per node, 47 - 63 Hz
ň° Nominal electrical power: 
â 100 - 120 V ac, 4 A; 
â 200 - 240 V ac, 2 A 50-60 Hz
ň° Noise level: 
â 54 dBa @ 1 m @ 23 degrees C
â 7.2 bels @ 1 m @ 23 degrees C
N3220
The IBM System Storage N3220 Model A12/A22 features the following physical 
specifications:
ň° Width: 44.7 cm (17.61 in.)
ň° Depth:
â 61.9 cm (24.4 in.) with cable management arms
â 54.4 cm (21.4 in.) without cable management arms
ň° Height: 8.5 cm (3.4 in.)
Warning: Operating at environmental extremes can increase failure probability.