Seagate Barracuda ST31500341AS Hard Drive Comparison

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  • Seagate Barracuda ST31500341AS Hard Drive 1.50 TB - 7200 rpm - 3.5" - Internal
  • WD Elements External 1TB 3.5" Hard Drive - Black
  • Seagate Expansion 2 TB External hard Drive

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Quick Glance

Internal/External Internal hard drives are found inside the computer and are connected either via IDE connectors or SATA connectors. They stay inside the computer until the user is ready to upgrade. External hard drives are located outside the computer and are connected either via USB or Firewire connectors. External Drives come in various portable sizes and can easily connect to other computers.

Interface The hard drive can be connected to the computer via various connectors. IDE is the more standard internal connector. SATA (or Serial ATA) is a more advanced connector which is faster than IDE. SATAII is even more advanced than SATA and can go almost twice as fast. USB 2.0 and Firewire are the standard connectors for external drives. USB 2.0 has a transfer rate of 480Mbps; Firewire 400 has a transfer rate of 400Mbps; Firewire 800 has a transfer rate of 800Mbps. However, differences in the architecture of the two interface types allows Firewire it have a faster sustained thoroughput.

Drive Width There are two types of drive widths: 2.5 inches which is a notebook size drive and 3.5 inches which is for a desktop drive.

Drive Type

Cache Size

Rotational Speed

Capacity

Storage

Capacity The amount of storage space of a drive. It is measured in either MB's=Megabytes, GB's=Gigabytes, or TB's=Terabytes. 1MB=1024KB, 1GB=1024MB, 1TB=1024GB.

Interface

Interface Connection

Interface Type The hard drive can be connected to the computer via various connectors. IDE is the more standard internal connector. SATA (or Serial ATA) is a more advanced connector which is faster than IDE. SATAII is even more advanced than SATA and can go almost twice as fast. USB 2.0 and Firewire are the standard connectors for external drives. USB 2.0 has a transfer rate of 480Mbps; Firewire 400 has a transfer rate of 400Mbps; Firewire 800 has a transfer rate of 800Mbps. However, differences in the architecture of the two interface types allows Firewire it have a faster sustained thoroughput.

Performance

Sustained Transfer Rate

Drive Type

Rotational Speed RPM stands for rotations per minute. Faster rotational speed or more RPMs enables the drive to read and write data faster. For everyday use you wouldn't really notice a difference, faster drives are more useful for editing, etc. Most common drives range from 4200RPM up to 15,000RPM.

MTBF

Cache Size Also known as buffer size, is memory where data is stored temporarily for easier, faster acces.

General

Form Factor Width There are two types of drive widths: 2.5 inches which is a notebook size drive and 3.5 inches which is for a desktop drive.

Internal/External Internal hard drives are found inside the computer and are connected either via IDE connectors or SATA connectors. They stay inside the computer until the user is ready to upgrade. External hard drives are located outside the computer and are connected either via USB or Firewire connectors. External Drives come in various portable sizes and can easily connect to other computers.

Dimensions

Dimensions

Weight

Warranty

Warranty Information

More Info

URL

Additional Specifications

Green Compliance

Product Series

Hot Swappable

Selected Product 1 of 3

Seagate Barracuda ST31500341AS Hard Drive 1.50 TB - 7200 rpm - 3.5" - Internal

Seagate Barracuda ST31500341AS Hard Drive 1.50 TB...

 

  • 4.5

    •  

    Not Available

    Seagate Barracuda ST31500341AS Hard Drive 1.50 TB - 7200 rpm - 3.5" - Internal
    See more products
    |1 review

     

     

     

     

    Internal

    SATA/300

    3.5"

    Hard Drive

    32

    7200

    1500000

     

    1.50 TB

     

    Serial ATA - 7 pin

    SATA/300

     

    120 MBytes/sec

    Hard Drive

    7200 rpm

    750000 hour(s)

    32 MB

     

    3.5"

    Internal

     

    26 mm Height x 102 mm Width x 147 mm Depth

    720 g

     

    5 Year Limited Warranty

     

    Manufacturer Link

     

    N/A

    N/A

    N/A

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    Product 2 of 3

    Select
    WD Elements External 1TB 3.5" Hard Drive - Black

    WD Elements External 1TB 3.5" Hard Drive - Black

    Lowest Price

  • 3.7

    •  

    $109.74 - $162.36

    WD Elements External 1TB 3.5" Hard Drive - Black
    See more products
    |2 reviews

     

    $109.74
    See It

     

     

    External

    USB 2.0 USB

    3.5

    Hard Drive

    N/A

    N/A

    1000000

     

    1 TB

     

    USB

    USB 2.0 USB

     

    N/A

    Hard Drive

    N/A

    N/A

    N/A

     

    3.5

    External

     

    N/A

    2.24 lbs

     

    1 Year Limited Warranty

     

    Manufacturer Link

     

    Yes

    Desktop

    Yes

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    Product 3 of 3

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    Seagate Expansion 2 TB External hard Drive

    Seagate Expansion 2 TB External hard Drive

    Highest Rated

  • 5

    •  

    $109.99 - $188.14

    Seagate Expansion 2 TB External hard Drive
    See more products
    |Write a review

     

    $109.99
    See It

     

     

    External

    USB 3.0

    N/A

    Hard Drive

    N/A

    N/A

    2000000

     

    2 TB

     

    N/A

    USB 3.0

     

    N/A

    Hard Drive

    N/A

    N/A

    N/A

     

    N/A

    External

     

    N/A

    2.74 lb

     

    1 Year Limited

     

    Manufacturer Link

     

    N/A

    N/A

    N/A

    PriceGrabber works hard to improve your online shopping experience.  If you notice inconsistencies, please notify us by clicking here.


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