Appendix E. Component weights
Because of the size and weight of the DCS3700 storage enclosure, a lift tool and two trained service
technicians are required to install the enclosure in a rack or remove the enclosure from a rack. If a lift tool
is not available, you must reduce the weight of the storage enclosure before you lift it, as follows:
v Remove two power supplies and make sure that the hard disk drive drawers are empty; then, three
trained service technicians can lift the storage enclosure.
v Make sure that the hard disk drive drawers are empty. Remove two power supplies, two fan
assemblies, two controllers or environmental services modules, and a minimum of three of the five
unpopulated hard disk drive drawers; then, two trained service technicians can lift the storage
enclosure.
The total weight of the storage expansion enclosure depends on the number of components installed.
Table 27 lists the unit weights for the storage expansion enclosure and expansion enclosure components.
Note: Two trained service technicians can lift up to 70 lb, and three trained service technicians can lift up
to 121.2 lb.
Table 27. DCS3700 component weights
Unit or Component Weight
DCS3700 Storage system
Drive-ready weight: 5 drive drawers, 2 controllers, 2 power supplies, 2 fan
assemblies, no disk drive modules
126.8 lb (57.5 kg)
Maximum system weight: 5 drive drawers, 2 controllers, 2 power supplies, 2
fan assemblies, 60 disk drive modules assemblies, and bezel
225 lb (102.1 kg)
DCS3700 Expansion unit
Drive-ready weight: 5 drive drawers, 2 controllers, 2 power supplies, 2 fan
assemblies, no disk drive modules
124.2 lb (56.3 kg)
Maximum system weight: 5 drive drawers, 2 controllers, 2 power supplies, 2
fan assemblies, 60 disk drive modules
222.6 lb (101.0 kg)
Enclosure components
Chassis with midplane only 43 lb (19.5 kg)
Rails (left and right) 8.2 lb (3.7 kg)
3.5” disk drive module 1.6 lb (0.7 kg)
Controller with cache battery backup, no HIC 4.5 lb (2.0 kg)
8Gbps Fibre Channel host interface card .18 lb (.08 kg)
Gbps SAS6 host interface card .15 lb (.07 kg)
ESM 3.4 lb (1.5 kg)
Fan assembly 2.4 lb (1.1 kg)
Power supply 5.5 lb (2.5 kg)
Drive drawer assembly including right and left cable chains 11.5 lb (5.2 kg)
© Copyright IBM Corp. 2011 157
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