Seagate Barracuda 250GB SATA Hard Drive ST3250820AS

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Seagate Part #/MPN: ST3250820AS

DiscTech Item #: SGT-ST3250820AS-FR-6M


$49.00
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$49.00

Capacity: 250GB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 65

Average Seek Time: 8 / 9

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 8MB

Drive specification

ST3250820AS

ST3250623AS

ST3200826AS

Formatted Gbytes (512 bytes/sector)*

250

200

Guaranteed sectors

488,397,168

390,721,968

Bytes per sector

512

Default sectors per track

63

Default read/write heads

16

Default cylinders

16,383

Recording density in BPI (bits/inch max)

763,000

Track density TPI (tracks/inch avg)

120,000

Areal density (Mbits/inch2 avg)

91,560

Spindle speed (RPM)

7,200

Internal data transfer rate (Mbytes/sec max)

95

Sustained transfer rate OD (Mbytes/sec)

65

I/O data transfer rate (Mbytes/sec max)

150

ATA data-transfer modes supported

PIO modes 0–4Multiword DMA modes 0–2Ultra DMA modes 0–6

SATA data-transfer modes supported

1.5 Gbits/sec

Cache buffer

8 Mbytes

16 Mbytes

8 Mbytes

Height (max)

26.11 mm (1.028 inches)

Width (max)

101.85 mm (4.010 inches)

Length (max)

146.99 mm (5.787 inches)

Weight (max) grams / lb.

635 / 1.39

Average latency (msec)

4.16

Power-on to ready (typical)

10 sec

Standby to ready (typical)

10 sec

Track-to-track seek time (msec typical)

0.8 (read), 1.0 (write)

Average seek, read (msec typical)

8.0

Average seek, write (msec typical)

9.0

Startup current (typical) 12V (peak)

2.8 amps

Seek power (typical) watts

9.9

Operating power (typical) watts

9.2

Idle mode (typical) watts

7.2

Standby mode (typical) watts

1.2

Sleep mode

1.2

Voltage tolerance

(including noise)

5V ± 5%

12V ± 10%

Ambient temperature

0° to 60°C (op.)

–40° to 70°C (nonop.)

Temperature gradient

(°C per hour max)

20°C (operating)

30°C (nonoperating)

Relative humidity

5% to 90% (operating)

5% to 95% (nonoperating)

Relative humidity gradient

30% per hour max

Wet bulb temperature(°C max)

37.7 (operating)

40.0 (nonoperating)

Altitude, operating

–60.96 m to 3,048 m

(–200 ft to 10,000+ ft)

Altitude, nonoperating (meters below mean sea level, max)

–60.96 m to 12,192 m

(–200 ft to 40,000+ ft)

Shock, operating (max at 2 msec)

63 Gs

Shock, nonoperating (max at 2 msec)

300 Gs

Vibration, operating

5–22 Hz: Limited displacement

23–350 Hz: 0.5 G acceleration

Vibration, nonoperating

5–22 Hz: Limited displacement

23–350 Hz: 5 Gs acceleration

Drive acoustics, sound power (bels)

Idle**

2.8 (typical)

3.4 (max)

Performance seek

3.7 (typical)3.9 (max)

Nonrecoverable read errors

1 per 1014 bits read

Annualized Failure Rate (AFR)

0.34%

Service life

5 Years

Contact start-stop cycles(25°C, 50% relative humidity)

50,000

Supports Hotplug operation per SATA II specification

Yes

 

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.

Formatted capacity

Model

Formatted capacity

Guaranteed sectors

Bytes per sector

ST3400832AS and ST3400632AS

400 Gbytes

781,422,768

512

ST3300831AS and ST3300631AS

300 Gbytes

586,072,368

512

ST3250823AS and ST3250623AS

250 Gbytes

488,397,168

512

ST3200826AS

200 Gbytes

390,721,968

512

 

 




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

Weight: 1.8 lb

Warranty: 6 Month Manufacturer

Factory Refurbished

Condition Levels Explained

The product has been built, rebuilt or repaired at the original manufacturer's factory (Note we NEVER sell 3rd party repaired items, as we do not find them to be reliable enough). Often these products are extremely close to new in condition, except that they contain at least one recycled or repaired component. Failure rates are often lower on these devices since they have been far more thoroughly tested than new items.

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.

6 Month Manufacturer Warranty

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