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Western Digital Red 4TB SATA HDD WD40EFRX
Inclusive of VAT · Warranty included
Western Digital
Product Specification
| Brand | Western Digital |
| Model | WD40EFRX |
| Capacity | 4TB |
| Form Factor | 3.5" LFF |
| Interface | SATA 6Gb/s |
| Drive Class | 5400 RPM |
| Designed For | NAS Systems |
| Operation | Low Power and Quiet Operation |
| RAID Suitability | Suitable for RAID Environments |
About This Product
Overview
The Western Digital Red 4TB SATA HDD is built for NAS storage environments where dependable capacity and efficient operation matter. With a 3.5-inch form factor and SATA 6Gb/s interface, it is designed to fit into compatible network-attached storage systems that require a standard large-form-factor drive. The WD40EFRX model is part of the Red family, which is commonly selected for shared storage setups that need consistent day-to-day access to files, backups, and media libraries. Its 4TB capacity provides practical room for expanding storage without moving to a more complex platform, making it a straightforward option for home offices, small business NAS units, and other multi-drive enclosures.
Performance & Scalability
This drive is described as a 5400 RPM class model, which supports low power use and quieter operation in systems that run continuously. That makes it well suited to NAS deployments where thermal efficiency and acoustic comfort are important alongside storage availability. The SATA 6Gb/s interface provides broad compatibility with many storage controllers and NAS backplanes, while the RAID suitability noted in the product details makes it a practical choice for arrays that prioritize redundancy or shared capacity. For users building or maintaining a storage pool, the WD40EFRX offers a balanced approach to performance and efficiency rather than a high-speed desktop focus, which is often preferred in always-on storage environments.
Storage Flexibility
As a 4TB NAS hard drive, this Western Digital Red model can be used as part of a new storage build or as a replacement drive in an existing compatible system. The 3.5-inch LFF design supports integration into many NAS chassis and multi-bay enclosures that accept standard SATA hard drives. Because it is intended for RAID environments, it can be used in configurations where multiple drives work together for increased capacity or data protection, depending on the system design. Its low power and quiet operation also make it a sensible fit for locations where the storage system may be placed near users or kept running for long periods.
Why Choose This Product?
The Western Digital Red 4TB SATA HDD WD40EFRX is a solid choice for buyers looking for a NAS-oriented hard drive with clear, practical specifications. It combines a useful 4TB capacity, SATA connectivity, and a 3.5-inch form factor with features that align well with storage appliances and RAID-based setups. For IT hardware resellers and system builders, it is an easy product to position for customers who need dependable NAS storage without unnecessary complexity. If you are sourcing a drive for shared file storage, backup use, or a compatible RAID array, this model offers the right mix of compatibility, efficiency, and capacity for everyday storage needs.
Frequently Asked Questions
Is the WD40EFRX suitable for NAS systems?
Yes, this Western Digital Red drive is designed for NAS systems and shared storage use.
What interface does this hard drive use?
It uses a SATA 6Gb/s interface for compatibility with supported storage systems.
What is the capacity of this drive?
This model provides 4TB of storage capacity.
Can this drive be used in RAID environments?
Yes, the product details indicate that it is suitable for RAID environments.
What form factor is the WD40EFRX?
It is a 3.5-inch LFF hard drive.
Why buy refurbished?
Enterprise-grade performance at a fraction of the price of new.
Fully tested and verified
Every unit goes through hardware diagnostics before dispatch: POST tests, burn-in, memory checks and power supply verification.
Enterprise performance for less
Refurbished units deliver the same hardware capability as new, at significantly lower upfront cost, freeing budget for CPUs, memory and storage.
Available now
New enterprise hardware carries lead times of weeks or months. Our stock is held in Doha and ready to ship within 24 hours.
Backed by support
Warranty on every unit we sell, with installation and ongoing hardware support available across Qatar.