How quiet (or noisy) is the NetShelter CX when only the fans are running, with no equipment installed?

Issue:
The question was raised asking how quiet the cabinet is with nothing installed, just the fans running.

Product Line:
NetShelter CX

Environment:
All versions and serial ranges.

Cause:
Noise reduction in the office is important.

Resolution:

Noise of AR4018A / AR4018IA:
40.5 dBA total noise generated, measured 1.0 m / 39" in front of the cabinet

Noise of AR4024A / AR4024IA:
43.0 dBA total noise generated, measured 1.0 m / 39" in front of the cabinet

Noise of AR4038A / AR4838IA:
43.5 dBA total noise generated, measured 1.0 m / 39" in front of the cabinet

Released for: Schneider Electric USA