HD SEAGATE NL 250 GB BARRACUDA SATAII/300 8MB 7200.9 (NCQ)

NearLine NL 35.2 Series Description Model number ST3250824NS Model Name NL35.2 Series Form Factor(width) 3.5-inch Form Factor(height) low-profile Physical Specifications Height 25.654 mm Width 101.6 mm Length 146.55 mm Weight 0.726 kg Capacity/Interface Formatted Capacity 250 Gbytes Performance Internal Transfer Rate (max) 760 Mbits/sec Formatted Int Transfer Rate (max) 95 MBytes/sec Average Seek Time, Read 8 msec typical Average Seek Time, Write 9 msec typical Track-to-Track Seek, Read 0.8 msec typical Track-to-Track Seek, Write 1 msec typical Average Latency 4.16 msec Default Buffer (cache) Size 8,384 Kbytes Spindle Speed 7200 RPM Spinup Time 10 sec Power-on to Ready Time 10 sec Configuration Bytes Per Sector 512 Areal Density (Mbits/sq in) 91,560 Mbits/square inch Track Density (TPI) 120,000 tracks/inch Recording Density (BPI, max) 763,000 bits/inch Electrical Requirements Typical Current (12VDC +/- 5%) 0.433 amps Startup Current (12VDC +/- 5%) 2.8 amps Typical Current (5VDC +/- 5%) 0.401 amps Startup Current (5VDC +/- 5%) 0.841 amps Seek Power (typ) 12.4 watts Read/Write Power (typ) 12.8 watts Idle Power (typ) 7.2 watts Environmental Specifications Max Operating Shock (2-msec) 63 Gs Max Nonoperating Shock (2-msec) 300 Gs Operating Vibration (max) 0.5 Gs Nonoperating Vibration (max) 5 Gs Operating Temperature (max) 60 deg C Operating Temperature (min) 0 deg C Nonoperating Temperature (max) 70 deg C Nonoperating Temperature (min) -40 deg C Operating Temperature Change (max) 20 deg C/hr Nonoperating Temperature Change (max) 30 deg C/hr Operating Humidity (max) 90 percent Nonoperating Humidity (max) 95 percent Operating Humidity Change (max) 30 percent per hour Operating Wet Bulb Temp (max) 37.7 deg C Operating Altitude (max) 3,048 m Operating Altitude (min) -61 m Nonoperating Altitude (max) 12,192 m Nonoperating Altitude (min) -61 m Acoustics, Idle (sound power, typ) 2.8 Bels Reliability MTBF (Hours) 1,000,000 hours Nonrecoverable Read Errors 1 per 1014 bits read Supports S.M.A.R.T. Yes