Western Digital WD2500KS 250GB SATA II 7200 RPM HDD

Name: Western Digital WD2500KS 250GB SATA II 7200 RPM HDD
Brand: Western Digital
SKU: WD2500KS

Overview

The Western Digital Caviar SE16 WD2500KS is a 3.5-inch desktop hard drive built around a 7200 RPM spindle and a 16MB cache buffer. Designed for everyday computing tasks such as file storage, application loading, and general desktop use, it connects via a SATA II interface with a maximum transfer rate of 300MB/s. The Caviar SE16 line was recognized for balancing performance with reliability, making it a straightforward choice for users who needed dependable mechanical storage.

With 250GB of capacity, this drive is best suited as a secondary storage volume or for use in older systems where solid-state drives may not be practical or cost-effective. Its standard 3.5-inch form factor fits any conventional desktop tower, and the SATA II connector is backward- and forward-compatible with SATA I and SATA III ports. While it lacks the speed advantages of modern SSDs, the WD2500KS remains a functional option for basic storage needs in legacy desktop builds.

Key Features

Item Package Dimension: 8.4L x 7.1W x 2.7H inches

Item Package Weight - 1.55 Pounds

Item Package Quantity - 1

Product Type - COMPUTER DRIVE OR STORAGE

Specifications

Brand

Western Digital

Model

WD2500KS

Capacity

250GB

Interface

SATA II

Spindle Speed

7200 RPM

Cache

16MB

Form Factor

3.5 inch

Transfer Rate

300MB/s

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Pros & Cons

👍 Pros

16MB cache provides improved burst performance over smaller-cache alternatives
7200 RPM spindle speed offers solid read and write performance for a mechanical drive
SATA II interface ensures broad compatibility with desktop motherboards
Reliable Caviar SE16 line known for longevity in everyday use

👎 Cons

250GB capacity is very limited by modern storage standards
Mechanical drive speeds are significantly slower than current SSD technology
SATA II interface is outdated and slower than SATA III connections
No built-in encryption or advanced data protection features

Frequently Asked Questions

What interface does the WD2500KS use?

The WD2500KS uses a SATA II (3.0 Gb/s) interface, which is compatible with most desktop motherboards that have SATA connectors.

What is the cache size on this drive and why does it matter?

This drive features a 16MB cache, which is larger than the 8MB cache found on many drives of its era. The larger cache helps improve burst performance and responsiveness during read and write operations.

Will this drive fit in a standard desktop computer?

Yes, the WD2500KS is a standard 3.5-inch form factor hard drive designed for desktop tower cases.

What is the maximum transfer rate of this hard drive?

The WD2500KS supports a maximum interface transfer rate of 300MB/s via its SATA II connection, though sustained throughput will be lower based on the mechanical drive's capabilities.