Seagate ST317221A Product Manual page 11

4 U8 Family Product Manual, Rev. A
Drive Specification ST317221A ST313021A ST38410A ST34313A
13
Nonrecoverable read errors 1 per 10 bits read
Mean time between
failures (power-on hours) 500,000
Contact start-stop cycles (25°C,
40% relative humidity) 50,000
Service life (years) 5