Atmospheric Pressure; Acoustics; Table 2-13. Allowable Altitude Ranges; Table 2-14. Sound Power Level - Western Digital WDE4360 Technical Reference Manual

WD Enterprise WDE2170/WDE4360

2.5.4. Atmospheric Pressure

Altitude
Operating
Non-operating

2.5.5. Acoustics

Mode
Idle
Seek
Notes:
1. Sound power is measured in accordance with ECMA-74 and ISO 7779.
Seek mode sound power is measured while the drive performs random
seeks at a rate of 33 seeks/sec.
2. Drives are tested after a 20 minute warm up period.
4079-001045 Rev. B

Table 2-13. Allowable Altitude Ranges

-1,000 feet to 10,000 feet (-300m to 3,000m)
-1,000 feet to 40,000 feet (-300m to 12,000m)

Table 2-14. Sound Power Level

Typical
4.0 A-weighted Bels
5.0 A-weighted Bels
RELEASED 04-08-97
Specifications
Maximum
4.3 A-weighted Bels
5.3 A-weighted Bels
17