Technical specifications

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Enclosure dimensions

Table 1. Small disk enclosure dimensions
Specification Imperial units Metric units
Height (enclosure, overall) 3.46 inches 87.9 mm
Width across mounting flange 19.01 inches 483 mm
Width across body of enclosure 17.44 inches 443 mm
Depthfrom front mounting flange to extremity of enclosure body 22.71 inches 576.8 mm
Depth from ops panel to furthest extremity of enclosure 24.79 inches 629.6 mm
Depth from front mounting flange to furthest extremity of enclosure 23.74 inches 602.9 mm

Enclosure weights

Table 2. Small disk enclosure weights
Component Imperial units Metric units
Storage enclosure (empty) 10.56 lb 4.80 kg
Drive carrier module 1.98 lb 0.9 kg
Dummy carrier module 0.11 lb 0.05 kg
PCM 7.7 lb 3.5 kg
Blank PCM 1.32 lb 0.61 kg
I/O module 3.3 lb 1.53 kg
Blank I/O module 1.1 lb 0.5 kg
Enclosure (fully populated) total weight (maximum) 64 lb 29 kg

Environmental requirements

Table 3. Ambient temperature and humidity
Specification Temperature range Relative humidity Max. Wet Bulb
Operating 5°C to 35°C

20% to 80%

non-condensing		 28°C
Non-operating -40°C to +70°C

5% to 100%

non-precipitating		 29°C
Specification Measurement/description
Airflow System must be operated with low pressure rear exhaust installation.

Back pressure created by rack doors and obstacles not to exceed 5Pa (0.5 mm H2O)
Altitude,operating -100to 3,048 meters (0 to 10,000 feet). Maximum operating temperature is de-rated by 1ºC for each 300 m above 900 m (2952.76 feet)
Altitude,non-operating -305 to 12192m (-1 000 to 40 000ft)
Shock,operating Vertical axis 5g 10ms 1/2 sine
Shock,non-operating 30g 10ms 1/2 sine
Vibration,operating 0.21g RMS 5-500 Hz random
Vibration,non-operating 1.04g RMS 2-200 Hz random
Vibration, relocation 0.3g 2-200 Hz sine 0.4 decades per minute
Orientation and mounting:
  • Rack rails
  • Rack characteristics
 19" Rack mount (2EIA Units)
  • Tofit 800mm depth racks compliant with the SSI se specification
  • Back pressure not exceeding 5Pa (~0.5mm H2O)

Power Cooling Module specifications

Table 4. Power cooling module specifications
Specification Measurement/description
Dimensions (size) 84.3mmhigh x 104.5mm wide x 340.8mm long (3.32in x 4.11in x 37.03in)
Maximum output power 580 W
Voltage range 100–240 VAC rated
Frequency 50–60 Hz
Voltage range selection Auto-ranging: 90–264 VAC, 47–63 Hz
Maximum inrush current 20A
Power factor correction ≥95%@ nominal input voltage
Harmonics MeetsEN61000-3-2
Output +5V @: 42A, +12 V:@ 38A, +5 V standby voltage @ 2.7A
Hot pluggable Yes
Switches and LEDs AC mains switch and four status indicator LEDs
Enclosure cooling Dual axial cooling fans with variable fan speed control