Drive Model |
ST9250315ASG |
Formatted Capacity |
250GB |
Guarenteed Sectors |
488,397,168 |
Bytes per Sector |
512 |
Physical Read/Write Heads |
2 |
Discs |
1 |
Cache (Mbytes) |
8 |
Recording Density in BPI (bits/inch avg) |
1,490k |
Track Density TPI (tracks/inch avg) |
265k |
Areal density (Gbit/inch avg) |
394 |
Spindle Speed (RPM) |
5,400 |
Average Latency (msec) |
5.6 |
Internal Transfer Rate (Mbits/sec max) |
1,175 |
I/O Data Transfer Rate (Mbytes/sec max) |
300 |
ATA-Data-Transfer Modes Supported |
SATA 1.0
Serial ATA Revision 2.6
PIO modes 0 – 4
Multiword DMA modes 0 – 2
Ultra DMA modes 0 – 6 |
Height (max) |
9.5 +/- 0.2 mm (0.374 */+ .0079 in) |
Width (max) |
69.85 +/- 0.255 mm (2.75 +/- 0.0098 in) |
Length (max) |
100.35 + 0.20 / – 0.25 mm (3.957 + 0.0078 / – 0.0098 in) |
Weight (max) |
93.5 g (0.206 lb) |
Power-On to Ready (sec typical) |
3.6 |
Power-On to Ready (sec max) |
3.8 |
Standby to Ready (sec typical) |
1.8 |
Standby to Ready (Sec max) |
2 |
Track-to-Track Seek Time (msec typical) |
1 |
Average Seek Read (msec typical) |
14 |
Full-Stroke, Read (msec max) |
30 |
Startup current, +5V (max) |
1 amp |
Seek Power (typical) |
1.54 watts |
Read/Write Power (typical) |
Read: 1.40 watts
Write: 1.78 watts |
Idle Mode, Low Power (typical) |
0.67 watts |
Standby Mode |
0.20 watts (typical) |
Sleep Mode |
0.20 watts (typical) |
Voltage Tolerance (including noise) |
+5V ± 5% |
Ambient Temperature |
0° to 60°C (operating)
-40° to 70°C (non-operating) |
Temperature Gradient (°C per hour max) |
20°C (operating)
35°C (non-operating) |
Relative Humidity |
5% to 95% (operating)
5% to 95% (non-operating) |
Relative Humidity Gradient |
30% per hour max |
Wet Bulb Temperature (°C max) |
37.7 (operating)
40 (non-operating) |
Altitude, Operating |
-304.8 m to 3,048 m (-1,000 ft to 10,000+ ft) |
Altitude, Non-Operating (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) |
350 |
Shock, Non-Operating (Gs max at 2 msec) |
800 |
Shock, Non-Operating (Gs max at 1 msec) |
1,000 |
Shock, Non-Operating (Gs max at 0.5 msec) |
600 |
Vibration, Operating |
1.0 G (0 to peak, 5 – 500 Hz) |
Vibration, Non-Operating |
5.0 Gs (0 to peak, 5 – 5000 Hz) |
Drive Acoustics, Sound Power (bels)
Idle
Performance Seek |
2.4 (typical)
2.6 (max)
2.6 (typical)
2.7 (max) |
Non-Recoverable Read Errors |
1 per 10e14 bits read |
Annualized Failure Rate (AFR) |
0.48% |
Load/Unload (U/UL) Cycles
25°C, 50% Realative Humidity
32°C, 80% Relative Humidity
5°C, 80% Relative Humidity
5°C, 10% Relative Humidity
55°C 16% Relative Humidity |
600,000 software-controlled power on/off cycles
20,000 hard power on/of cycles
600,000software-controlled power on/off cycles
20,000 hard power on/off cycles |
Supports Hotplug operations per Serial ATA Revision 2.6 Specification |
Yes (requires COMRESET from host after a hotplug event) |
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