Name: WD400BB-22JHA0 Western Digital Caviar 40GB 7.2K RPM Ultra ATA/100 2MB Cache 3.5-Inch Hard Disk Drive
Brand: Western Digital
SKU: WD400BB-22JHA0
Price: 235.06 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The WD400BB-22JHA0 Western Digital Caviar 40GB Hard Disk Drive delivers reliable performance for users seeking to upgrade or replace storage in legacy desktop systems. With its 7,200 RPM speed, Ultra ATA/100 interface, and 2MB cache, it provides fast and efficient data handling. Ideal for basic computing tasks, this 3.5-inch HDD offers a practical and durable storage solution for older systems, maintaining reliable performance for everyday use.

General Information
Brand	Western Digital
Part Number	WD400BB-22JHA0
Series	Caviar

Technical Information
Capacity	40GB
Drive Type	Internal Hard Drive
Form Factor	3.5-inch
Cache	2MB

Interfaces/Ports
Interface	ATA-100

Physical Characteristics
Dimensions	1.03 x 4.00 x 5.79 inches
Condition	Refurbished
Weight	1.76

Product Description
The WD400BB-22JHA0 Western Digital Caviar 40GB hard disk drive is designed for desktop systems that require reliable and efficient storage. Operating at a speed of 7,200 RPM, this 3.5-inch drive provides fast data access to support everyday computing tasks. The Ultra ATA/100 interface ensures rapid data transfers, while the 2MB cache enhances read/write performance, offering smoother operations for users with basic storage needs. Key Features 40GB storage capacity perfect for light computing and basic applications 7,200 RPM rotational speed for quick data access and retrieval Ultra ATA/100 interface for improved data transfer rates 2MB cache for enhanced performance in reading and writing data 3.5-inch form factor for easy installation into desktop systems Reliable performance backed by Western Digital's trusted Caviar series This drive offers solid and dependable performance for legacy desktop systems or for users in need of a cost-effective storage solution without compromising on essential speed and capacity.

Use Cases
The WD400BB-22JHA0 Western Digital Caviar 40GB HDD is commonly deployed in legacy desktop systems where moderate storage capacity and reliable performance are necessary. It suits environments requiring cost-effective upgrades or replacements for older PCs, especially in settings that run basic business applications or archival workloads. How It's Used: Upgrading storage in small office desktops handling standard productivity software and email clients. Replacement drives for industrial workstations operating legacy software requiring stable and consistent read/write access. Archival systems consolidating data from older hardware in educational institutions or government offices. Embedded computing environments where 3.5-inch form factor drives support custom configurations with limited storage needs. Testing and development rigs that require cost-efficient HDDs to simulate real-world disk I/O patterns on older interfaces. This HDD supports operational stability and reliable throughput for systems constrained to Ultra ATA/100 interfaces, enabling continued use of established infrastructure. Its moderate cache and rotational speed balance performance with legacy compatibility to maintain efficiency in relevant deployment scenarios.