Specifications
2.6.
Reliability Specifications
Table 2-15. WDE2170 and WDE4360 Reliability Parameters
Note: The error rates listed above reflect the drive operating under specified conditions.
2.7.
Agency Approvals
2.7.1. Product Safety
Western Digital drives are free of Polychlorinated Biphenyl (PCBs) and Cadmium
materials. In addition, prohibited Chlorofluorocarbons (CFCs) are not used in the
manufacturing process.
Models WDE2170 and WDE4360 meet the safety standards of the following regulatory
agencies:
Underwriters Laboratories: UL-Standard 1950, Standard for Safety of
Information Technology Equipment including Electrical Business Equipment (File
E101559)
Canadian Standards Association: CSA-Standard C22.2, No. 950-M89, Standard
for Safety of Information Technology Equipment including Electrical Business
Equipment (File LR68850)
TUV Essen Laboratories: IEC-950 (EN60950) Standard for Safety of Information
Technology Equipment including Electrical Business Equipment
2.7.2. Electromagnetic Compatibility (EMC)
Upon request, Western Digital provides technical information pertaining to compliance
testing of the following:
Federal Communication Commission (FCC): Verified to comply with FCC Rules
for Radiated and Conducted Emission, Part 15, Subpart B, for Class B Equipment
CE Compliance for Europe: Verified to comply with EN55022 for RF Emissions
and EN50082-1 for Generic Immunity as applicable
VDE: VDE 0871/6.78, BZT Class B, Radio Frequency Interference of Radio
Frequency Equipment for Industrial, Scientific, and Medical (ISM) and similar
purposes
VCCI: VCCI Class 2-CISPR Class B, Radiated and Line Conducted Emissions
20
Recoverable Data Error Rate:
Unrecoverable Data Error Rate:
Miscorrected Data Error Rate:
Seek Error Rate:
Projected MTBF:
Service Life:
Preventive Maintenance:
RELEASED 04-08-97
WD Enterprise WDE2170/WDE4360
11
Less than 10 in 10
bits read
14
Less than 1 in 10
bits read
21
Less than 1 in 10
bits read
8
Less than 10 in 10
seeks (average)
1,000,000 hours
5 years
None required
4079-001045 Rev. B