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Acoustical Noise Declaration for System p5 505 Express (More Information)

  
Declared Noise Emissions in Accordance with ISO 9296
Product Description Declared A-Weighted Sound Power Level, L WAd (B) Declared A-Weighted Sound Pressure Level, L pAm (dB)
Operating Idling Operating Idling
Rack Server
Model: 9115-505
2 hard files 2 power supplies 		6.8 6.8 52 52
Rack Server, as above but with Acoustical Doors
Feature codes 6248 or 6249 		6.2 6.2 44 44

Notes:
1.  LWAd is the statistical upper-limit A-weighted sound power level (rounded to the nearest 0.1 B);
2.  LpAm is the mean A-weighted emission sound pressure level measured at the 1-meter bystander positions (rounded to the nearest dB);
3.  10 dB (decibel) = 1 B (bel);
4.  All measurements made in conformance with ISO 7779 and declared in conformance with ISO 9296


 
More information
What is an Acoustical Noise Declaration?  
Acoustical Noise Declarations for other IBM Products