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Western Digital WD40EFAX 4TB Red NAS Internal Hard Drive HDD

  • Product id:  1051
  • Stock: In Stock
  • Brand: Western Digital
  • Model: WD40EFAX
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Key Features

    • Type: Internal HDD
    • Storage Capacity: 4TB
    • Interface: SATA 6Gb/s
    • RPM: 5400 RPM
    • Cache: 256MB

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Main Features
Storage Capacity 4TB
Interface SATA 6Gb/s
Basic Information
Voltage 5VDC ±10%, 12VDC ±10%
Performance
RPM 5400 RPM
Cache 256MB
Data Transfer Rate Up to 180MB/s
Physical Specification
Dimensions 147mm (L) x 101.6mm (W) x 26.1mm (H)
Weight Approx. 0.65 kg
Form Factor 3.5-Inch
Temperature
Operating Temperature 0°C to 65°C (32°F to 149°F)

Overview WD Red 4TB WD40EFAX NAS HDD Price in Bangladesh

The Western Digital WD40EFAX 4TB Red NAS HDD is a NAS-focused internal hard drive designed for compatible home, personal cloud, and small-business storage systems. With 4TB storage capacity, NAS-oriented firmware, and a design intended for extended NAS operation, it provides a practical solution for centralized file storage, backups, media libraries, and supported RAID configurations.

The WD Red family was developed for NAS environments where multiple users and applications may access shared storage. The WD40EFAX is particularly suited to users looking for additional capacity for an existing compatible NAS system.

Western Digital WD40EFAX 4TB Red NAS HDD in Bangladesh

The WD40EFAX 4TB Red NAS HDD is suitable for NAS users in Bangladesh who need additional storage for home or business environments. It can be used for expanding compatible NAS systems, replacing an existing HDD, or building a centralized storage solution.

The WD40EFAX price in Bangladesh may vary depending on current stock, warranty, supplier, and market availability. Before purchasing, check the NAS manufacturer's compatibility list and confirm that the drive is appropriate for the intended RAID or storage configuration.

Performance and Storage

The 4TB capacity provides substantial storage space for documents, photographs, videos, backups, business files, and other centralized data.

The WD40EFAX is designed around NAS workloads rather than conventional desktop storage. Its suitability for a particular workload depends on the NAS hardware, network infrastructure, RAID configuration, number of users, and applications running on the system.

It can be used for:

  • Centralized file storage
  • NAS backups
  • Media libraries
  • Personal cloud storage
  • Business document storage
  • Multi-user file sharing
  • Compatible RAID configurations
  • Home and small-business NAS environments

User Experience

The Western Digital WD40EFAX 4TB Red NAS HDD is designed for NAS environments where storage may remain active for extended periods. Its NAS-oriented design makes it suitable for compatible NAS systems used for file sharing, backups, media storage, and centralized data management.

Actual operating noise, temperature, and performance can vary depending on the NAS enclosure, cooling system, workload, storage configuration, and surrounding environment.

Why Choose WD40EFAX 4TB Red NAS HDD?

The WD40EFAX 4TB Red NAS HDD provides a practical combination of high storage capacity and NAS-focused functionality.

Key reasons to consider this drive include:

  • 4TB storage capacity for centralized NAS data
  • NAS-oriented design
  • Suitable for compatible home and small-business NAS systems
  • Appropriate for supported RAID configurations
  • Suitable for backups and file sharing
  • Useful for media and personal cloud storage
  • Designed for extended NAS workloads
  • Compatible with supported SATA NAS platforms

Key Features

  • 4TB storage capacity
  • NAS-focused internal HDD design
  • SATA interface for compatible NAS systems
  • WD Red NAS product family
  • NASware technology for supported NAS environments
  • Suitable for multi-user file storage
  • Appropriate for compatible RAID configurations
  • Suitable for backup and media storage
  • Designed for extended NAS operation
  • Appropriate for home and small-business storage environments

Benefits

4TB High-Capacity Storage

With 4TB of storage, the WD40EFAX provides useful space for large collections of documents, photographs, videos, business data, backups, and other centralized NAS content.

NAS-Oriented Design

The drive is designed for NAS applications, making it more appropriate for supported NAS deployments than a conventional desktop hard drive.

Centralized Data Management

When installed in a NAS system, the drive can provide centralized access to files and backups for multiple computers, users, and devices on the network.

RAID Storage Support

The drive can be used in compatible RAID configurations where supported by the NAS system. RAID selection should be based on the required balance between usable capacity, redundancy, and performance.

Flexible Home and Business Use

The 4TB capacity makes the drive suitable for personal cloud storage, media libraries, document management, backup systems, and small-business file storage.

Detailed Feature Analysis

4TB Storage Capacity

The 4TB capacity provides a substantial storage foundation for compatible NAS systems. Multiple drives can be combined into a larger storage pool where the NAS supports the configuration. Actual usable capacity depends on the NAS operating system, RAID level, filesystem, and storage configuration.

NASware Technology

Western Digital's NASware technology is designed to support compatibility and drive-management considerations associated with NAS environments. It is intended to work alongside compatible NAS systems and storage configurations.

SATA Connectivity

The WD40EFAX uses a SATA interface and should be installed in a NAS enclosure that supports the drive's required SATA configuration. Actual transfer performance depends on the NAS controller, network connection, workload, and storage architecture.

NAS and RAID Deployment

The drive can be used in supported NAS systems and RAID configurations. Before installation, verify the NAS manufacturer's compatibility list, especially when using multiple drives in the same storage pool.

Maintenance Best Practices

To maintain reliable operation of the WD40EFAX:

  • Install the HDD in a NAS enclosure with adequate airflow.
  • Maintain appropriate operating temperatures.
  • Use a reliable power source and UPS where appropriate.
  • Monitor SMART and drive-health information through the NAS interface.
  • Check RAID and storage-pool health regularly.
  • Maintain independent backups of important data.
  • Avoid physical shocks and unnecessary movement while the HDD is operating.
  • Ensure the drive is properly seated in its NAS tray.
  • Replace the drive if the NAS reports predictive failure or persistent SMART errors.
  • Follow the NAS manufacturer's recommended firmware and maintenance procedures.

Where Can It Be Used?

The Western Digital WD40EFAX 4TB Red NAS HDD can be used in compatible:

  • Home NAS systems
  • Small-business NAS environments
  • Personal cloud storage
  • Multi-bay NAS enclosures
  • Centralized backup systems
  • File-sharing environments
  • Media storage systems
  • RAID-based NAS configurations
  • Office data-storage systems
  • Small and medium business storage environments

Why Buy WD40EFAX 4TB Red NAS HDD from Crystal Vision Solution?

Crystal Vision Solution supplies storage and enterprise IT hardware for businesses, IT professionals, system administrators, and NAS users in Bangladesh.

When selecting a NAS HDD, compatibility with the NAS enclosure and intended workload should be checked carefully. Crystal Vision Solution can assist with:

  • NAS HDD sourcing
  • Storage capacity selection
  • NAS compatibility requirements
  • HDD replacement and storage expansion
  • Product availability and pricing
  • Bangladesh delivery support
  • Storage hardware selection guidance

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What is the Western Digital WD40EFAX 4TB Red NAS Internal Hard Drive HDD price in Bangladesh 2026?

The latest price of Western Digital WD40EFAX 4TB Red NAS Internal Hard Drive HDD in Bangladesh depends on availability, specifications, and current market conditions. For quick pricing updates and stock details, reach out to us via WhatsApp or email.