Western Digital
Western Digital WD4000AAJS 400GB Caviar Blue SATA HDD
★★★★★
Reliable Storage Solution: Western Digital Caviar Blue 400 GB Hard DriveThe Western Digital Caviar Blue 400 GB Hard Drive provides reliable storage for your desktop or server. With a 7200 RPM speed and an 8 MB cache, this drive offers a balance of performance and storage capacity. Its SATA II int...
$149.95*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.
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Overview
Reliable Storage Solution: Western Digital Caviar Blue 400 GB Hard Drive
The Western Digital Caviar Blue 400 GB Hard Drive provides reliable storage for your desktop or server. With a 7200 RPM speed and an 8 MB cache, this drive offers a balance of performance and storage capacity. Its SATA II interface ensures compatibility with a wide range of systems.
- Capacity: 400 GB
- Interface: SATA II
- Speed: 7200 RPM
- Cache: 8 MB
- Form Factor: 3.5 Inch
Specifications
Capacity
400GB
Series
Caviar Blue
Interface
SATA
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View on Amazon →Pros & Cons
👍 Pros
- Offers a 400GB storage capacity, suitable for basic system installations or secondary data storage.
- Utilizes the SATA interface, ensuring broad compatibility with many desktop computers and older server systems.
- Part of the Caviar Blue series, known for being a reliable line of drives for everyday computing tasks.
- The Western Digital brand is well-established in the hard drive industry, suggesting a degree of reliability.
👎 Cons
- The 400GB capacity is relatively small by modern standards, which may limit its utility for large data storage needs.
- Specific rotational speed (RPM) and cache size are not provided, which are important performance indicators.
- Being an older model, its overall performance might not match newer generation hard drives.
Frequently Asked Questions
What is the storage capacity of the Western Digital WD4000AAJS hard drive?
The Western Digital WD4000AAJS hard drive offers a storage capacity of 400GB.
What type of interface does this hard drive use?
This hard drive uses a SATA interface, providing compatibility with a wide range of motherboards and systems.
Is this hard drive suitable for a primary operating system drive today?
While it can function as an OS drive, its 400GB capacity and likely performance characteristics suggest it might be better suited for secondary storage or older system restoration given modern software and data sizes.
What series does this Western Digital drive belong to?
This drive is part of Western Digital's Caviar Blue series, which is typically associated with mainstream and reliable desktop hard drives.
Are there any specific performance details, like RPM or cache, available?
The provided information does not specify the rotational speed (RPM) or cache size of this particular hard drive.
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