SDS12 SCSI disk shelves

Physical characteristics

Weight

With disk drives

75 lbs (34 kg)

Empty

35.4 lbs (16 kg)

Rack units

3U

Height

5.3 in. (13.5 cm)

Width

17.6 in. (44.7 cm)

Depth

17 in. (43.2 cm)

Clearance dimensions

Front--cooling

6 in. (15.3 cm)

Rear--cooling

19 in. (48.3 cm)

Front--maintenance

45 in. (114.3 cm)

Rear--maintenance

19 in. (48.3 cm)

Environmental requirements

Operating temperature
maximum range

32 F to 104 F
(0 C to 40 C)

Operating temperature
recommended range

68 F to 77 F
(20 C to 25 C)

Nonoperating temperature range

-40 F to 149 F
(-40 C to 65 C)

Relative humidity

8 to 80% noncondensing

Acoustic level

56 dBA @ 23 C

Electrical requirements

Input voltage, V

115/230

Input current actual, A

3.8/1.9

Input power actual, W

392/380

Thermal dissipation, BTU/hr

1,338/1,297

Inrush current, A @ V

20 @ 115

40 @ 220