Product manual

4 U Series Family Product Manual, Rev. B
Drive acoustics
Sound power in bels
Idle mode
Quiet Seek
Performance Seek
3.0 (typical), 3.3 (max)
3.2 (typical), 3.5 (max)
3.4 (typical), 3.7 (max)
Nonrecoverable read errors 1 per 10
13
bits read
Mean time between
failures (power-on hours) 600,000
Contact start-stop cycles (25°C,
40% relative humidity) 50,000
SeaShield Yes
Drive Specification ST380020A ST360020A ST340810A ST320410A