Western Digital
Western Digital WD4000AAKS 400GB Caviar Blue SATA HDD
★★★★★
Reliable Storage for Everyday Computing NeedsThe Western Digital Caviar Blue hard drive provides dependable storage for your desktop computer. With a 400GB capacity and a 7200 RPM spin speed, it offers a balance of performance and value for general computing tasks. Capacity: 400 GB Inter...
$79.00*
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✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Reliable Storage for Everyday Computing Needs
The Western Digital Caviar Blue hard drive provides dependable storage for your desktop computer. With a 400GB capacity and a 7200 RPM spin speed, it offers a balance of performance and value for general computing tasks.
- Capacity: 400 GB
- Interface: SATA II
- RPM: 7200 RPM
- Cache: 16 MB
- Form Factor: 3.5 Inch
Key Features
Sold Individually
Specifications
Capacity
400GB
Interface
SATA
Series
Caviar Blue
Type
HDD
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View on Amazon →Pros & Cons
👍 Pros
- Offers a 400GB storage capacity, suitable for basic storage needs or as a secondary drive.
- Utilizes a SATA interface, providing broad compatibility with many modern and older computer systems.
- Belongs to the Caviar Blue series, known for reliability and performance in consumer-grade hard drives.
- Can serve as an economical solution for expanding storage in a desktop PC.
- Provides traditional HDD storage, which can be useful for mass data archiving where speed is not critical.
👎 Cons
- With 400GB, the storage capacity is relatively small compared to modern hard drives, which often offer terabytes.
- As a traditional HDD, its performance in terms of read/write speeds is significantly slower than SSDs.
- Being "Sold Individually" doesn't provide additional value or bundled accessories.
- The age of the product, implied by its capacity and model line, might indicate slower internal transfer rates.
- Mechanical nature of HDDs means it is more susceptible to damage from drops or impacts compared to solid-state storage.
Frequently Asked Questions
What is the storage capacity of the Western Digital WD4000AAKS hard drive?
This Western Digital Caviar Blue SATA HDD provides a storage capacity of 400GB.
What type of interface does this hard drive use?
This hard drive uses a SATA interface, ensuring compatibility with a wide range of systems.
Is this a solid-state drive (SSD)?
No, this is a traditional Hard Disk Drive (HDD) from the Caviar Blue series.
Is this hard drive suitable for installing an operating system for fast boot times?
While it can store an operating system, its performance as an HDD will result in slower boot times compared to a Solid State Drive (SSD).
Can this hard drive be used as a primary storage solution for a new computer build?
With 400GB, it could serve as a primary drive for very basic needs, but for modern systems requiring more space or faster performance, it may be better suited as a secondary storage drive.
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