IBM Midrange System DS4000 Series Hardware Manual page 114

EXP520 Expansion Unit (1814-52A)
Height: 129.5 mm (5.1 in.)
Width: 482.6 mm (19.0 in.)
Depth: 571.5 mm (22.5 in.)
Weight:
– Drive-ready (without drive modules installed): 26.31 kg (58 lbs.)
– Fully configured (16 drive modules installed): 38.56 kg (84 lbs.)
IBM System Storage DS5100 (1818-51A) and DS5300 (1818-53A) storage
subsystems
Height: 174.50 mm (6.87 in.)
Width: 481.75 mm (18.97 in.)
Depth: 634.92 mm (25.0 in.)
Weight: 40.90 kg (90.0 lbs.)
IBM System Storage EXP5000 Expansion Unit (1818-D1A)
Height: 132.10 mm (5.20 in.)
Width: 482.60 mm (19.00 in.)
Depth: 558.80 mm (22.0 in.)
Weight:
– Drive-ready (without drive modules installed): 31.30 kg (69 lbs.)
– Fully configured (16 drive modules installed): 38.56 kg (85 lbs.)
Operating environment
This section will cover operating environment specifications.
IBM System Storage DS5020 storage subsystem (1814-20A)
Temperature (operating):
– 10 to 35° C (50 to 95° F) at 0 to 914 m (0-3,000 ft.)
– 10 to 32° C (50 to 90° F) at 914 to 2,133 m (3,000-7,000 ft.)
Relative humidity (operating): 8% to 80%
Relative humidity (storage): 5% to 80%
Electrical power (per power supply, system rating):
– Voltage range: 100-240V ac
– Operating current: 6.0 - 2.5 amperes
– Power: 600 watts
– Frequency: 50/60 Hz
Heat dissipation: 1529 BTU per hour
Noise level (normal operation): 6.4 bels
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IBM Midrange System Storage Hardware Guide