Seagate ST9250827AS Momentus 5400.4 SATA Product Manual - Page 12

Table 1: Drive specifications Drive specification ST9250827AS ST9200827AS ST9160827AS Full-stroke seek (msec) 20 (typical); 24 (max) Startup current, +5V (typical) 1.0 amps Seek power (typical) 2.0 watts Read/write power (typical) Read: 2.0 watts; Write: 1.6 watts Idle mode, low power (typical) 0.6 watts Standby mode 0.20 watts (typical)*** Sleep mode 0.20 watts (typical)*** Voltage tolerance (including noise) +5V ± 5% Ambient operating temperature 0° to 60°C (operating), -40° to 70°C (nonoperating) Temperature gradient (°C per hour max) 20°C (operating) 35°C (nonoperating) Relative humidity 5% to 95% (operating) 5% to 95% (nonoperating) Relative humidity gradient 30% per hour max Wet bulb temperature (°C max) 37.7 (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 (Gs max at 2 msec) 325 Shock, nonoperating (Gs max at 2 msec) 800 Shock, nonoperating (Gs max at 1 msec) 900 Shock, nonoperating (Gs max at 0.5 msec) 600 Vibration, operating 1.5 G (0 to peak, 5-500 Hz) Vibration, nonoperating 5 Gs (0 to peak, 5-500 Hz) Drive acoustics, sound power (bels) Idle** 2.4 (typical) 2.6 (max) Performance seek Nonrecoverable read errors 2.6 (typical) 2.8 (max) 1 per 1014 bits read Annualized Failure Rate (AFR) 0.7% Load/Unload (U/UL) cycles ST9120817AS 25°C, 50% relative humidity 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles 32°C, 80% relative humidity 5°C, 80% relative humidity 5°C, 10% relative humidity 55°C, 16% relative humidity Warranty Supports Hotplug operation per Serial ATA Revision 2.5 specification 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles 5 years on distribution units. To determine the warranty for a specific drive, use a web browser to access the following 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. Yes (requires COMPRESET from host after a hotplug event) *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 4 Momentus 5400.4 SATA Product Manual, Rev. A