WD Scorpio ML320S-AF2
Specifications
2679-771320-A00
RELEASED 4/7/11 (WD CONFIDENTIAL)
11
2.5.4
Cooling
If forced air cooling is required, the drive must be positioned to receive airflow from one or more fans
as indicated in Figure 2-4.
Figure 2-4. Forced Airflow Direction
2.5.5
Atmospheric Pressure
2.5.6
Acoustics
2.5.7
RoHS (Restriction of Hazardous Substances)
WD complies with the Restriction of Hazardous Substances (RoHS) Directive 2002/95/EC of the
European Parliament, which is effective in the EU beginning July 1, 2006. RoHS aims to protect
human health and the environment by restricting the use of certain hazardous substances in new
equipment, and consists of restrictions on lead, mercury, cadmium, and other substances.
The reliability, performance, and specifications of WD products are unchanged from previously
manufactured WD products, remaining among the highest in the industry.
2.6
Reliability Specifications
Altitude
Operating
-1,000 feet to 10,000 feet (-305m to 3,048m)
Non-operating
-1,000 feet to 40,000 feet (-305m to 12,192m)
TYPICAL SOUND POWER LEVEL
1
Idle (average dBA)
2
22
Seek (average dBA)
3
25
1
Measured per ECMA-74/ISO 7779.
2
No audible pure tones.
3
Random seek at a rate of 26 seeks per second.
Component Design Life
5 years
AFR
<0.5%
1
Duty Cycle
40%
Power on Hours (POH)
3120
1
Ambient temperature 35°C, HDD temperature 40°C.
