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Western Digital Purple Surveillance 4TB HDD Hard Drive 3.5" SATA III 5400rpm with 256MB Cache for Desktop
HDD Hard Drives

Western Digital Purple Surveillance 4TB HDD Hard Drive 3.5" SATA III 5400rpm with 256MB Cache for Desktop

WD Hard Drive 3.5" Purple Surveillance

  • Capacity: 4TB
  • Interface: SATA3 6Gb/s
  • Form Factor: 3.5"
  • RPM: 5400
  • Cache: 256MB

Factory Recertified drives are those that have been returned to the manufacturer...

WD Hard Drive 3.5" Purple Surveillance

  • Capacity: 4TB
  • Interface: SATA3 6Gb/s
  • Form Factor: 3.5"
  • RPM: 5400
  • Cache: 256MB

Factory Recertified drives are those that have been returned to the manufacturer for various reasons, have been thoroughly checked, and have been certified to be in excellent working condition.

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Top specs

  • Usage Desktop

  • Communication Protocol

    Hard drives communicate with the computer through a protocol.

    There are two protocols for HDD hard drives, SATA (for simple use) and SAS (high reliability for corporate use).

    SATA III

    A modern hard disk connection standard that offers twice the maximum speed compared to SATA II.

    The majority of hard disks use this standard.

    The motherboard must support it for the disk to operate at its maximum potential.

  • Cache Size

    Intermediate temporary memory between the disk and the computer, allowing the hard disk to provide faster and more immediate access to data. It does not have any particular benefit for the average user.

  • Form Factor

    The size of the HDD hard drive.

    3.5

    The classic size of a desktop computer hard disk drive (HDD).

  • Rotation Speed

    The most important feature along with capacity is that the faster the rotation speed of a hard disk, the faster the access and storage of data it can provide.

    5400

    The slowest hard disk drives (HDD) are typically used for storing large volumes of data that are not frequently accessed (e.g. for backups). They are not recommended for installing programs and games.
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Product report

Description

Description

WD Hard Drive 3.5" Purple Surveillance

  • Capacity: 4TB
  • Interface: SATA3 6Gb/s
  • Form Factor: 3.5"
  • RPM: 5400
  • Cache: 256MB

Factory Recertified drives are those that have been returned to the manufacturer for various reasons, have been thoroughly checked, and have been certified to be in excellent working condition.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Compatibility

Use
Desktop

Product Details

Capacity
4000 GB

Capacity

The amount of data that a hard disk can store. 2TB and 4TB are the golden ratio of cost and capacity. For simple use, 1TB is likely sufficient. For reference, a 1TB hard disk can hold approximately 250,000 photos taken with a 12MP camera or 250 movies.
Communication Protocol
SATA III

Communication Protocol

Hard drives communicate with the computer through a protocol.

There are two protocols for HDD hard drives, SATA (for simple use) and SAS (high reliability for corporate use).

SATA III

A modern hard disk connection standard that offers twice the maximum speed compared to SATA II.

The majority of hard disks use this standard.

The motherboard must support it for the disk to operate at its maximum potential.
Recording Technology
-

Performance

RPM
5400 rpm

RPM

The most important feature along with capacity is that the faster the rotation speed of a hard disk, the faster the access and storage of data it can provide.

5400
The slowest hard disk drives (HDD) are typically used for storing large volumes of data that are not frequently accessed (e.g. for backups). They are not recommended for installing programs and games.
Cache size
256 MB

Cache size

Intermediate temporary memory between the disk and the computer, allowing the hard disk to provide faster and more immediate access to data. It does not have any particular benefit for the average user.

Dimensions

Form Factor
3.5 "

Form Factor

The size of the HDD hard drive.

3.5
The classic size of a desktop computer hard disk drive (HDD).

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

WD Hard Drive 3.5" Purple Surveillance

  • Capacity: 4TB
  • Interface: SATA3 6Gb/s
  • Form Factor: 3.5"
  • RPM: 5400
  • Cache: 256MB

Factory Recertified drives are those that have been returned to the manufacturer for various reasons, have been thoroughly checked, and have been certified to be in excellent working condition.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Compatibility

Use
Desktop

Product Details

Capacity
4000 GB

Capacity

The amount of data that a hard disk can store. 2TB and 4TB are the golden ratio of cost and capacity. For simple use, 1TB is likely sufficient. For reference, a 1TB hard disk can hold approximately 250,000 photos taken with a 12MP camera or 250 movies.
Communication Protocol
SATA III

Communication Protocol

Hard drives communicate with the computer through a protocol.

There are two protocols for HDD hard drives, SATA (for simple use) and SAS (high reliability for corporate use).

SATA III

A modern hard disk connection standard that offers twice the maximum speed compared to SATA II.

The majority of hard disks use this standard.

The motherboard must support it for the disk to operate at its maximum potential.
Recording Technology
-

Performance

RPM
5400 rpm

RPM

The most important feature along with capacity is that the faster the rotation speed of a hard disk, the faster the access and storage of data it can provide.

5400
The slowest hard disk drives (HDD) are typically used for storing large volumes of data that are not frequently accessed (e.g. for backups). They are not recommended for installing programs and games.
Cache size
256 MB

Cache size

Intermediate temporary memory between the disk and the computer, allowing the hard disk to provide faster and more immediate access to data. It does not have any particular benefit for the average user.

Dimensions

Form Factor
3.5 "

Form Factor

The size of the HDD hard drive.

3.5
The classic size of a desktop computer hard disk drive (HDD).

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.