Acoustical Noise Emissions - IBM Elastic Storage System 5000 Series Hardware Manual

Supported drives Model 092 expansion enclosure
Table 13 on page 31 provides drive specifications for your system.
Table 13. Drive specifications
Model and type
IBM Elastic Storage System 5000 Expansion –
Model 092 with 92 3.5-inch drive slots

Acoustical noise emissions

Table 14 on page 31 provides the acoustical specifications for the Model 092 expansion enclosure. The
noise emission level that is stated is the declared (upper limit) sound power level, in decibels, for a
random sample of enclosures. All measurements are made in accordance with ISO 7779 and reported in
conformance with ISO 9296.
Table 14. Acoustical noise emissions
Enclosure type
Expansion enclosure
Table 15 on page 31 provides acoustical specifications for the Model 092 expansion enclosures in
accordance with ISO 9296
Important: Hearing conservation program (HCP) procedures are required for field service personnel
servicing a Model 092 expansion enclosure.
Table 15. Declared noise emissions for Model 092 expansion enclosure
Model and type
Fully configured
Model 092
expansion
enclosure
Drive configuration
90 LFF drives
2 SFF drives
(1,2,3)
.
Declared A-Weighted Sound Power
Level, L
WAd
Operating
8.5
3.5-inch drives
92 SAS drives (6 TB, 10 TB, 14 TB, 16 TB)
Acoustical output per enclosure
Idling
6.1 bels
6.2 bels
Declared A-Weighted Sound Pressure
(B)
Idling Operating
8.5
Chapter 4. Planning for hardware 31
Operating
6.1 bels
6.2 bels
Level, L (dB)
pAm
Idling
85 85