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Seagate Momentus ST9250827AS 2.5" SATA 250GB 5.4K Hard Drive

Item Number: SGT-ST9250827AS-RF-OE-DEL
Manufacturer's Part Number: ST9250827AS
Contact us about ST9250827ASGet help regarding ST9250827AS

Seagate Momentus ST9250827AS 5400.4 SATA 250GB 5.4K 2.5"  Hard Drive - Refurbished OEM

ST9250827AS SCSI Hard Drive Photo

ST9250827AS SCSI Hard Drive Photo ST9250827AS SCSI Hard Drive Photo ST9250827AS SCSI Hard Drive Photo ST9250827AS SCSI Hard Drive Photo
Price: $55.00
Condition: Refurbished - What does this mean?
Warranty: 1 Year DiscTech - What does this mean?

Capacity: 250GB
Spindle Speed: 5,400RPM
Interface Type: SATA
Disk Size: 2.5inx9mm Fits Most laptops
Sustained Throughput (MBps): 58
Average Seek Time (read/write ms): 12 / 14
Electrical Interface Speed: SATA 300 - 3.0Gbps
On-Board Cache: 8MB

Refurbished - What does this mean?
1 Year DiscTech - What does this mean?
    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 150 Mbytes per second).
  • Perpendicular recording technology provides the drives with increased areal density.
  • State-of-the-art cache and on-the-fly error-correction algorithms.
  • Full-track multiple-sector transfer capability without local processor intervention.
  • 900 Gs nonoperating shock and 325 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.
  • Worldwide Name (WWN) capability uniquely identifies the drive

Dell Part Numbers: KW721 0KW721


Drive specification ST9250827AS ST9200827AS ST9160827AS ST9120817AS
Formatted Gbytes (512 bytes/sector)* 250 200 160 120
Guaranteed sectors 488,397,168 390,721,968 312,581,808 234,441,648
Bytes per sector 512
Physical read/write heads 4 3 2
Discs 2  
Cache (Mbytes) 8
Recording density in BPI (bits/inch max) 1,180k
Track density TPI (tracks/inch max) 173
Areal density (Gbits/inch max) 204
Spindle speed (RPM) 5,400
Internal transfer rate (Gbits/sec max) 778
Sustained transfer rate (Mbytes/sec max) 58
I/O data transfer rate (Mbytes/sec max) 300
ATA data-transfer modes supported SATA 1.0, Serial ATA Revision 2.5
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Height (max) 9.5 +/- 0.2 mm (0.374 +/- .0078 inches)
idth (max) 69.85 +/- .25 mm (2.750 +/- .010 inches) 69.85 +/- 0.25 mm (2.75 +/- 0.0098 inches)
Length (max) 100.20 +/- 0.25 mm (3.945 +/- 0.010 inches)
Weight (typical) </=102 grams (0.23 lb) 97 grams (0.21 lb)
Average latency (msec) 5.6
Power-on to ready (sec typical) <3.0
Standby to ready (sec typical) <2.0
Track-to-track seek time, read (msec typical) <2.0 (read), <2.5 (write)
Average seek, read (msec typical) <12.0
Average seek, write (msec typical) 14.0
Startup current, +5V (max) 1.0 amps

Click here to view the manufacturers item description/brochure

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