Seagate ULTRA ATA ST320423A - Manual (Page 12)

4 U10 Family Product Manual, Rev. A
Nonrecoverable read errors 1 per 10 13 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
SeaShield Yes
Drive Specification ST320423A ST315323A ST310212A