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the storage subsystem in different configurations. Table 3 lists the weight of each
component.
Table 2. DS5020 weights
Unit
Weight
Maximum
1
Empty
2
Shipping
DS5020 40 kg (88 lb) 16.4 kg (36.1 lb) 52.2 kg (115.0 lb)
1
Chassis with all CRUs and 16 drives.
2
Chassis without CRUs and drives but with front cage frame and midplane.
Table 3. DS5020 component weights
Unit Weight
Drive 0.75 kg (1.65 lb)
Power supply and fan unit 3.60 kg (7.95 lb)
Controller (including cache battery backup
unit)
2.8 kg (6.1 lb)
Battery unit 0.9 kg (2 lb)
Shipping dimensions
Table 4 lists shipping carton dimensions. The height shown includes the height of
the pallet.
Table 4. DS5020 shipping carton dimensions
Height Width Depth
45.7 cm (18.0 in.) 62.6 cm (24.5 in.) 80.7 cm (31.75 in.)
Environmental requirements and specifications
This section describes the environmental requirements and specifications for the
DS5020 storage subsystem, including temperature and humidity, altitude, airflow
and heat dissipation, shock and vibration requirements, and acoustic noise levels.
Temperature and humidity
Table 5 on page 21 lists the acceptable temperature and humidity ranges for the
DS5020 storage subsystem when in storage or in transit. Table 6 on page 21 lists
temperature and humidity ranges for the storage subsystem in typical Information
Technology (IT) or office environments.
Note: Substantial deviations from the suggested operating range, in either
direction, if sustained for extended periods of time, will expose the unit to
greater risk of failure from external causes.
Important: The operating environment air temperature must be 22° C (72° F) or
lower.
20 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide