WD Scorpio 120 GB Internal Comparison

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  • WD Scorpio 120 GB Internal Hard Drive
  • Seagate Momentus 40 GB Internal Hard Drive
  • Seagate Momentus 5400.3 ST960815A 60 GB Internal 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.

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

Product Series

Frequency Band

Drive Width

Average Latency

Maximum Internal Data Transfer Rate

Selected Product 1 of 3

WD Scorpio 120 GB Internal Hard Drive

WD Scorpio 120 GB Internal Hard Drive

 

  • 4.5

    •  

    $73.00 - $182.17

    WD Scorpio 120 GB Internal Hard Drive
    See more products
    |11 reviews

     

    Memory4Less.com
    $182.17
    See It
    NIPPON-MEMORY
    NIPPON-MEMORY
    $73.00

    OEM

    See It
    NIPPON-MEMORY
    NIPPON-MEMORY
    $90.00
    See It
     

     

     

    Internal

    IDE Ultra ATA/100 (ATA-6)

    2.5"

    Hard Drive

    8

    5400

    120000

     

    120 GB

     

    IDE - ATA/EIDE/ATAPI 44 pin Header

    IDE Ultra ATA/100 (ATA-6)

     

    52.6 Mbps

    Hard Drive

    5400 rpm

    8 MB

     

    2.5"

    Internal

     

    0.37" Height x 2.75" Width x 3.94" Depth

    4.13 oz

     

    3 Year Limited

     

    Manufacturer Link

     

    N/A

    N/A

    2.5"

    5.50 ms

    52.6 MBps (421 Mbps)

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    Product 2 of 3

    Select
    Seagate Momentus 40 GB Internal Hard Drive

    Seagate Momentus 40 GB Internal Hard Drive

    Highest Rated

  • 4.8

    •  

    $50.71 - $85.12

    Seagate Momentus 40 GB Internal Hard Drive
    See more products
    |Write a review

     

    $53.50
    See It
    $78.00

    Refurbished

    See It
    $85.12
    See It
    MicroPartsUSA.com
    $50.71

    Refurbished

    See It

     

     

    Internal

    IDE Ultra ATA/100 (ATA-6)

    2.5"

    Hard Drive

    8

    4200

    40000

     

    40 GB

     

    IDE - ATA/EIDE/ATAPI 44 pin Header

    IDE Ultra ATA/100 (ATA-6)

     

    N/A

    Hard Drive

    4200 rpm

    8 MB

     

    2.5"

    Internal

     

    0.37" Height x 0.27" Width x 3.94" Depth

    3.53 oz

     

    3 Year Limited

     

    Manufacturer Link

     

    N/A

    SoftSonic FDB motor QuietStep ramp load technology Recording Method: RLL 0,11 Best-Fit Applications: Notebook PCs Tablet PCs External 2.5-inch drives MP3 players Printers and copiers Note: Actual spin speed is 5400 RPM

    2.5"

    5.60 ms

    37 MBps (296 Mbps)

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    Product 3 of 3

    Select
    Seagate Momentus 5400.3 ST960815A 60 GB Internal Hard Drive

    Seagate Momentus 5400.3 ST960815A 60 GB Internal...

    Hightest Rated
    Lowest Price

  • 4.8

    •  

    $38.00 - $131.90

    Seagate Momentus 5400.3 ST960815A 60 GB Internal Hard Drive
    See more products
    |Write a review

     

    $38.00

    Refurbished

    See It
    SanWorks
    $131.90

    Refurbished

    See It
    MicroPartsUSA.com
    $58.95

    Refurbished

    See It
    NIPPON-MEMORY
    NIPPON-MEMORY
    $70.00
    See It

     

     

    Internal

    IDE Ultra ATA/100 (ATA-6)

    2.5"

    Hard Drive

    8

    5400

    60000

     

    60 GB

     

    N/A

    IDE Ultra ATA/100 (ATA-6)

     

    N/A

    Hard Drive

    5400 rpm

    8 MB

     

    2.5"

    Internal

     

    0.37" Height x 0.27" Width x 3.94" Depth

    3.46 oz

     

    3 Year Limited

     

    Manufacturer Link

     

    5400.3

    N/A

    2.5"

    N/A

    44 MBps (352 Mbps)

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