Seagate ST9250412AS Momentus 7200.3 SATA Product Manual - Page 10

Table 1: Drive specifications Drive specification ST9320421AS ST9250421AS ST9200421AS ST9160411AS ST9320421ASG ST9250421ASG ST9200423ASG ST9160411ASG Standby to ready 3.0 (sec typical) Track-to-track seek time, 1.0 read (msec typical) Average seek, read 11.0 (msec typical) Average seek, write (msec typical) 13.0 Startup current, +5V (max) 1.0 amps Seek power (typical) 2.3 watts Read power (typical) 2.1 watts Write power (typical) 2.3 watts Idle mode, low power (typical) 0.75 watts Standby mode 0.21 watts (typical)*** Sleep mode 0.21 watts (typical)*** Voltage tolerance (including noise) +5V ± 5% Ambient temperature 0°C to 60°C (operating), -40°C to 70°C (nonoperating) Temperature gradient (°C per hour max) 20°C (operating) 35°C (nonoperating) Relative humidity 5% to 90% (operating) 5% to 95% (nonoperating) Relative humidity gradient 30% per hour max Wet bulb temperature (°C max) 30 (operating) 40 (nonoperating) Altitude, operating -304.8 m to 3,048 m (-1,000 ft to 10,000+ ft) Altitude, nonoperating (meters below mean sea level, max) -304.8 m to 12,192 m (-1000 ft to 40,000+ ft) Shock, operating 350 (Gs max at 2 msec) Shock, nonoperating 800 (Gs max at 2 msec) Shock, nonoperating (Gs max at 1 msec) 1,000 Shock, nonoperating 600 (Gs max at 0.5 msec) Vibration, operating 1.0 G (0 to peak, 5-500 Hz) Vibration, nonoperating 5 Gs (0 to peak, 10-500 Hz) Drive acoustics, sound power (bels) Idle** 2.3 (typical) 2.5 (max) Performance seek 2.6 (typical) 2.7 (max) Nonrecoverable read errors 1 per 1014 bits read Annualized Failure Rate (AFR) 0.48% ST9120411AS ST9120411ASG ST980411AS ST980411ASG 4 Momentus 7200.3 SATA Product Manual, Rev. C