WD Caviar 120 GB Internal Comparison

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  • WD Caviar 120 GB Internal Hard Drive - 1 Pack - OEM
  • Hitachi Touro Desk Pro External 3 TB 3.5" Hard Drive
  • WD My Passport Essential SE Portable External 1TB 2.5" Hard Drive - Black

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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

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

Drive Width

Software Included

Hot Swappable

Green Compliance

Drive Height

Average Seek Time

Compatible Drive Bay Height

Maximum Internal Data Transfer Rate

Average Latency

Frequency Band

Physical Specifications

Weight

Selected Product 1 of 3

WD Caviar 120 GB Internal Hard Drive - 1 Pack - OEM

WD Caviar 120 GB Internal Hard Drive - 1 Pack -...

Lowest Price

  • 3.5

    •  

    $25.00 - $153.74

    WD Caviar 120 GB Internal Hard Drive - 1 Pack - OEM
    See more products
    |34 reviews

     

    $25.00

    Refurbished

    See It
    SanWorks
    $64.65

    Refurbished

    See It
    PC Progress
    $71.99
    See It
    Memory4Less.com
    $153.74
    See It

     

     

    Internal

    IDE Ultra ATA/100 (ATA-6)

    3.5"

    Hard Drive

    8

    7200

    120000

     

    120 GB

     

    IDE - ATA/EIDE/ATAPI 40 pin Header

    IDE Ultra ATA/100 (ATA-6)

     

    Hard Drive

    7200 rpm

    8 MB

     

    3.5"

    Internal

     

    1.03" Height x 4" Width x 5.79" Depth

    1.32 lbs

     

    3 Year Limited

     

    Manufacturer Link

     

    3.5"

    N/A

    N/A

    N/A

    1/3H

    10.90 ms

    1/3H

    65.6 MBps (525 Mbps)

    4.20 ms

    Data Lifeguard: WD's exclusive hardware, software and services designed to protect your data.

     

    N/A

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    Product 2 of 3

    Select
    Hitachi Touro Desk Pro External 3 TB 3.5" Hard Drive

    Hitachi Touro Desk Pro External 3 TB 3.5" Hard...

    Highest Rated

  • 4.3

    •  

    $191.79

    Hitachi Touro Desk Pro External 3 TB 3.5" Hard Drive
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    |1 review

     

    SeaBoom.com
    $191.79
    See It
     
     
     

     

     

    External

    USB 3.0

    N/A

    Hard Drive

    N/A

    7200

    3000000

     

    3 TB

     

    N/A

    USB 3.0

     

    Hard Drive

    7200 rpm

    N/A

     

    N/A

    External

     

    N/A

    2.10 lb

     

    2 Year Limited

     

    Manufacturer Link

     

    3.5"

    Preloaded Local and Cloud Backup Software

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

    N/A

     

    2.10 lb

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

    Product 3 of 3

    Select
    WD My Passport Essential SE Portable External 1TB 2.5" Hard Drive - Black

    WD My Passport Essential SE Portable External 1TB...

     

  • 3.9

    •  

    $119.61 - $133.32

    WD My Passport Essential SE Portable External 1TB 2.5" Hard Drive - Black
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    |2 reviews

     

    $128.22
    See It
    $119.61
    See It
    $129.00
    See It
    $129.00
    See It

     

     

    External

    USB - Universal Serial Bus 3.0

    2.5"

    Hard Drive

    N/A

    N/A

    1000000

     

    1 TB

     

    USB

    USB - Universal Serial Bus 3.0

     

    Hard Drive

    N/A

    N/A

     

    2.5"

    External

     

    N/A

    7.05 oz

     

    2 Year Limited

     

    Manufacturer Link

     

    2.5"

    WD SmartWare Software

    Yes

    Yes

    N/A

    N/A

    N/A

    N/A

    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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