11 electromagnetic immunity, 12 reliability – Seagate Barracuda ST3120211AS User Manual
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18
Barracuda 7200.9 Serial ATA Product Manual, Rev. C
2.11
Electromagnetic immunity
When properly installed in a representative host system, the drive operates without errors or degradation in
performance when subjected to the radio frequency (RF) environments defined in the following table:
2.12
Reliability
Table 6:
Radio frequency environments
Test
Description
Performance level
Reference standard
Electrostatic
discharge
Contact, HCP, VCP: ± 4
kV; Air:
± 8 kV
B
EN 61000-4-2: 95
Radiated RF
immunity
80 to 1,000 MHz, 3 V/m,
80% AM with 1 kHz sine
900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz
A
EN 61000-4-3: 96
ENV 50204: 95
Electrical fast
transient
± 1 kV on AC mains, ± 0.5 kV on external I/O
B
EN 61000-4-4: 95
Surge immunity
± 1 kV differential, ± 2 kV common, AC mains
B
EN 61000-4-5: 95
Conducted RF
immunity
150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz sine
A
EN 61000-4-6: 97
Voltage dips,
interrupts
0% open, 5 seconds
0% short, 5 seconds
40%, 0.10 seconds
70%, 0.01 seconds
C
C
C
B
EN 61000-4-11: 94
Nonrecoverable read errors
1 per 10
14
bits read, max
Annualized Failure Rate (AFR)
0.34% (nominal power, 25°C ambient temperature)
Contact start-stop cycles
50,000 cycles
(at nominal voltage and temperature, with 60 cycles per hour and a 50% duty cycle)
Warranty
5 years on distribution units.
To determine the warranty for a specific drive, use a web browser to access the fol-
lowing web page:
www.seagate.com/support/service/
From this page, click on the “Verify Your Warranty” link. You will be asked to provide
the drive serial number, model number (or part number) and country of purchase.
The system will display the warranty information for your drive.
Preventive maintenance
None required.