Name: WD400BD-75MRA3 Western Digital 40GB 7200RPM SATA 1.5Gbps 2MB Cache HDD
Brand: Western Digital
SKU: WD400BD-75MRA3
Price: 152.84 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Western Digital Caviar 40GB 7200RPM SATA hard drive provides solid, no-frills storage aimed at desktop users who need dependable day-to-day performance. It fits standard 3.5-inch bays and connects via SATA, ensuring compatibility with a wide range of systems. With a modest cache and consistent spindle speed, it handles routine tasks without fuss and integrates cleanly into existing setups.

General Information
Brand	Western Digital
Part Number	WD400BD-75MRA3

Technical Information
Capacity	40GB
Form Factor	3.5-inch
Disk Format	Hard Disk Drive (HDD)
Cache	2MB
Spindle Speed	7200 RPM
Hot Pluggable	No
Hot Swappable	No
Hybrid Drive	No
Compatible For	Desktop PC, Workstation

Interfaces/Ports
Interface	SATA 1.5Gb/s

Physical Characteristics
Condition	Refurbished
Weight	1.76

Product Description
The Western Digital Caviar 40GB internal hard drive offers dependable storage for desktop computers and workstations. Often found in systems requiring moderate storage with steady performance, this drive suits users who need consistent access to their data without excessive capacity demands. Built for everyday computing tasks, it's commonly used in office setups, personal PCs, and legacy systems. Those upgrading older machines or assembling budget-friendly builds benefit from its straightforward design and reliable operation. Key Features Capacity tailored for standard data storage needs 7200 RPM speed balances quick access with power efficiency Utilizes SATA 1.5Gbps for stable and compatible connections 2MB cache smooths data transfer during workloads 3.5-inch form factor fits most desktop drive bays Typically deployed in desktop environments, this drive is well-suited for general file storage, media libraries, and system boot drives. Its straightforward performance makes it a practical choice for systems that prioritize reliability over high capacity.

Use Cases
The Western Digital 40GB 7200RPM SATA hard drive is primarily suited for legacy desktop systems and embedded applications where modest storage capacity and reliable performance are essential. It is ideal for IT environments requiring stable, cost-effective storage for routine data handling and legacy software support. How It's Used: Upgrading or maintaining legacy desktop workstations in SMB networks that do not require high-capacity drives. Deployment in embedded systems or industrial PCs where reliable, moderate storage supports specific software and control applications. Use in archival stations within enterprise IT setups that manage infrequently accessed data with minimal performance overhead. Integration into point-of-sale (POS) terminals and kiosks needing consistent storage for transaction logs and application data. Replacement drive in low-demand environments such as remote office infrastructure with limited storage requirements. This hard drive supports operational continuity in environments where high-speed access and large storage arrays are unnecessary, enabling smooth integration without overprovisioning. It complements IT strategies focused on maintaining legacy systems and cost containment in less demanding workloads.

WD400BD-75MRA3 Western Digital 40GB 7200RPM SATA 1.5Gbps 2MB Cache HDD

Product Overview

General Information

Technical Information

Interfaces/Ports

Physical Characteristics

Product Description

Use Cases