Seagate ST9250315ASG 250GB SATA Hard Drive

Seagate Part #/MPN: ST9250315ASG

DiscTech Item #: SGT-ST9250315ASG-BN-OE

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Capacity: 250GB

Speed: 5,400RPM

Interface Types: SATA

Form Factor: 2.5inx9mm Fits Most laptops

Sector Size: 512 / 512e

Average Seek Time: 14

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 8MB

Seagate ST9250315ASG 2.5in 250GB 3Gbps 5.4K RPM HS Momentus 5400.6 SATA HDD - Brand New

Seagate ST9250315ASG 2.5" 250GB 3Gbps 5.4K RPM Hot Swappable Momentus 5400.6 SATA HDD - Brand New

Alt MPN: 9KAG32

These drives provide the following key features:

  • 5,400-RPM spindle speed.
  • 8-Mbyte buffer.
  • Free Fall Protection (on ST9500325ASG, ST9320325ASG, ST9250315ASG, ST9160314ASG, ST9120315ASG, and ST980313ASG models only)
  • Quiet operation. Fluid Dynamic Bearing (FDB) motor.
  • High instantaneous (burst) data-transfer rates (up to 3.0 Gbits/sec).
  • Perpendicular recording technology.
  • State-of-the-art cache and on-the-fly error-correction algorithms.
  • Native Command Queuing (NCQ) with command ordering.
  • Full-track multiple-sector transfer capability without local processor intervention.
  • 1,000 Gs nonoperating shock and 350 Gs of operating shock.
  • SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
  • The 3D Defense System™, which includes Drive Defense, Data Defense and Diagnostic Defense, offers the industry’s most comprehensive protection for disc drives.
  • Support for S.M.A.R.T. drive monitoring and reporting.
  • Support for Read Multiple and Write Multiple commands.


This drive is compatible with any server that accepts 2.5"x9mm laptop SATA Drives.

Drive ModelST9250315ASG
Formatted Capacity250GB
Guarenteed Sectors488,397,168
Bytes per Sector512
Physical Read/Write Heads2
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 SupportedSATA 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 Mode0.20 watts (typical)
Sleep Mode0.20 watts (typical)
Voltage Tolerance (including noise)+5V ± 5%
Ambient Temperature0° to 60°C (operating)
-40° to 70°C (non-operating)
Temperature Gradient (°C per hour max)20°C (operating)
35°C (non-operating)
Relative Humidity5% to 95% (operating)
5% to 95% (non-operating)
Relative Humidity Gradient30% 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, Operating1.0 G (0 to peak, 5 - 500 Hz)
Vibration, Non-Operating5.0 Gs (0 to peak, 5 - 5000 Hz)
Drive Acoustics, Sound Power (bels)

Performance Seek

2.4 (typical)
2.6 (max)
2.6 (typical)

2.7 (max)
Non-Recoverable Read Errors1 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 SpecificationYes (requires COMRESET from host after a hotplug event)

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Alternate MPNs: 9KAG32

Weight: 1.5 lb

Warranty: 1 Year DiscTech

Brand New

Condition Levels Explained

The product is brand new.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty