Seagate ST9500325AS 500GB SATA Hard Drive

Seagate Part #/MPN: ST9500325AS

DiscTech Item #: SGT-ST9500325AS-BN-OE

  • Low Stock:Call for ETA
    Stock Levels

    This item is currently (nearly) out of stock. It may be possible to arrange fast shipment. If you need it urgently call us. Otherwise, it usually ships within 1 week.


Capacity: 500GB

Speed: 5,400RPM

Interface Types: SATA

Form Factor: 2.5inx9mm Fits Most laptops

Sector Size: 512 / 512e

Sustained Throughput: 300

Average Seek Time: 14

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 8MB

Seagate ST9500325AS 500GB 2.5in 3Gbps 5.4K RPM Momentus 5400.6 SATA HDD - Brand New

Seagate ST9500325AS 500GB 2.5" 3.0 Gbps 5400 RPM Momentus 5400.6 SATA HDD - Brand New

These drives provide the following key features:

  • 5,400-RPM spindle speed.
  • 8-Mbyte buffer.
  • 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.>/li>
  • 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 (Fits in ALL laptops) SATA Drives.

Drive ModelST9500325AS
Formatted Gbytes (512 bytes/sector)500
Guaranteed sectors976,773,168
Physical read/write heads4
Cache (Mbytes)8
Recording density in BPI(bits/inch avg)1,490k
Track densisty TPI(tracks/inch avg)265/k
Areal density(Gbits/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 inches)
Width (max) 69.85 mm +/- 0.25 mm (2.75 +/- 0.0098 inches)
Length (max)100.35 + 0.20 / - 0.25 mm (3.957 + 0.0079 / - 0.0098 inches)
Weight (max) 98.8 grams (0.218 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, read (msec typical)1
Average seek, read (msec typical)14
Full-stroke seek, read (msec max)
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 temperature (operating)0° to 60°C
Ambient temperature (non-operating)-40° to 70°C
Temperature gradient(°C per hour operating max)20°C
Temperature gradient(°C per hour non-operating max)30°C
Relative humidity (operating)5% to 95%
Relative humidity (non-operating)5% to 95%
Relative humidity gradient30% per hour max
Wet bulb temperature(°C operating max)37.7
Wet bulb temperature(°C non-operating max)40
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 - 5000 Hz)
Vibration, Non-operating5.0 Gs(0 to peak, 5 - 5000 Hz)
Idle, (bels)2.4 (typical) 2.6 (max)
Performance seek, (bels)2.6 (typical) 2.7 (max)
Nonrecoverable read errors1 per 10e14 bits read
Annualized Failure Rate (AFR)0.48%
Supports Hotplug operation per Serial ATA Revision 2.6 specificationYes (requires COMRESET from host after a hotplug event)

Click here to view the manufacturer's item description/brochure

ROHS Compliant

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