WD Caviar 250GB Comparison

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  • WD Caviar 250GB
  • WD Elements External 1TB 3.5" 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

Rotational Speed

Capacity

Cache Size

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.

Number of Drives Supported

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

Warranty Information

URL

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.

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.

System Type

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.

Warranty

Warranty Information

More Info

URL

Dimensions

Weight

Additional Specifications

Green Compliance

Product Series

Hot Swappable

Selected Product 1 of 3

WD Caviar 250GB

WD Caviar 250GB

 

  • 4.0

    •  

    $171.48

    WD Caviar 250GB
    See more products
    |Write a review

     

    Memory4Less.com
    $171.48
    See It

     

     

    Internal

    IDE (Ultra ATA/100)

    N/A

    N/A

    7200

    250000

    8

     

    250 GB

    1

     

    IDE - ATA/EIDE/ATAPI 40 pin Header

    IDE (Ultra ATA/100)

     

    N/A

    7200 RPM

    8 MB

     

    3 year limited warranty

    Manufacturer Link

    N/A

    IDE (Ultra ATA/100)

    PC

    Internal

     

    3 year limited warranty

     

    Manufacturer Link

     

    N/A

     

    N/A

    N/A

    N/A

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    Product 2 of 3

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    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

    1000000

    N/A

     

    1 TB

    N/A

     

    USB

    USB 2.0 USB

     

    Hard Drive

    N/A

    N/A

     

    N/A

    N/A

    3.5

    N/A

    N/A

    External

     

    1 Year Limited Warranty

     

    Manufacturer Link

     

    2.24 lbs

     

    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
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    |Write a review

     

    $109.99
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    External

    USB 3.0

    N/A

    Hard Drive

    N/A

    2000000

    N/A

     

    2 TB

    N/A

     

    N/A

    USB 3.0

     

    Hard Drive

    N/A

    N/A

     

    N/A

    N/A

    N/A

    N/A

    N/A

    External

     

    1 Year Limited

     

    Manufacturer Link

     

    2.74 lb

     

    N/A

    N/A

    N/A

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