Seagate ST3400620AS SATA Hard Drives

Seagate Part #/MPN: ST3400620AS

DiscTech Item #: SGT-ST3400620AS-BN-5Y

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Capacity: 400GB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Average Seek Time: 8.5 / 10

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 16MB

Seagate Barracuda 7200.10 400GB 7.2K SATA Hard Drive - ST3400620AS - Brand New

The Seagate Barracuda 7200.10 desktop hard drive features innovative perpendicular recording technology and is the first drive on the market to provide capacities up to 750 GB. Barracuda 7200.10 hard drives deliver superb performance, efficiency, speed and durability for all your application needs.

Specifications400 GB
Model NumberST3400620AS



SATA 3.0Gb/s
Height (max)26.1 mm  (1.028 inches)
Width (max)101.6 mm  (4.010 inches)
Length (max)146.99 mm  (5.787 inches)
Weight (typical)635 grams  (1.40 pounds)
Cache16 MBytes
Capacity320 GB
Guaranteed Sectors


Number of pins on the I/O connector





Spindle Speed

7200 rpm

Native Command Queuing


Average latency

4.16 msec

Random read seek time

<8.5 msec

Random write seek time

<10.0 msec

Maximum interface transfer rate


300 Mbytes/sec



Annual Failure Rate


Unrecoverable read errors

1 in 1014

Average idle current

9.30 watts

Average seek power

12.60 watts

Standby power

0.80 watts

Sleep power

0.807 watts

Maximum start current, DC


2.80 amps





Ambient operating temperature (min)

0 degrees C

Ambient operating temperature (max)

60 degrees C

Ambient nonoperating temperature (min)

-40 degrees C

Ambient nonoperating temperature (max)

70 degrees C

Maximum operating temperature change

20 degrees C per hour

Maximum nonoperating temperature change

30 degrees C per hour

Maximum operating case temperature


69 degrees C



Minimum Relative humidity (operating)


Maximum Relative humidity (operating)


Minimum Relative humidity (nonoperating)


Maximum Relative humidity (nonoperating)


Maximum allowable humidity change


30 % per hour



Operating altitude (min)

-60.96 meters

Operating altitude (min)

-200 feet

Operating altitude (max)

3,048 meters

Operating altitude (max)

10,000 feet

Nonoperating altitude (min)

-60.96 meters

Nonoperating altitude (min)

-200 feet

Nonoperating altitude (max)

12,192 meters

Nonoperating altitude (max)


40,000 feet



European Union Restriction of Hazardous Substances






Operating Shock (max)

68 Gs

Operating shock 

2 msec

Nonoperating Shock (max)

350 Gs

Nonoperating shock 

2 msec

Operating vibration

0.25 Gs

Operating vibration

5-22 Hz

Operating vibration

0.50 Gs

Operating vibration

22-350 Hz

Operating vibration

0.25 Gs

Operating vibration

350-500 Hz

Nonoperating vibration

0.25 Gs

Nonoperating vibration

5-22 Hz

Nonoperating vibration

5.0 Gs

Nonoperating vibration

22-350 Hz

Nonoperating vibration

1.0 Gs

Nonoperating vibration


350-500 Hz



Acoustics (Idle Volume)

2.5 bels

Acoustics (Seek Volume)

3.0 bels

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

Weight: 1.8 lb

Warranty: 5 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new.

5 Year Manufacturer Warranty

Product Warranties Explained

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