Product Overview
The Western Digital 10TB WD Red NAS Internal Hard Drive (WD100EFAX) provides a high-capacity, reliable foundation for home and small business network-attached storage systems. Specifically, this “Old Version” model is highly sought after because it utilizes a helium-sealed design that reduces internal friction and power consumption compared to newer air-filled alternatives. It integrates seamlessly into NAS enclosures with up to 8 bays, offering a specialized firmware called NASware 3.0 that balances performance and data integrity in demanding RAID environments. This drive serves as a dedicated archive for your media libraries, essential backups, and collaborative project files.
Product Features in Full Detail
Furthermore, the 10TB capacity uses Conventional Magnetic Recording (CMR) technology, which ensures consistent write performance and faster rebuild times in RAID arrays. Unlike SMR drives that can slow down during heavy data ingestion, this CMR drive maintains a steady flow of information, making it ideal for continuous 24/7 operation. The 5400 RPM class spindle speed strikes an optimal balance between low noise levels and efficient thermal management, keeping your NAS cool even during peak usage hours. With a massive 256MB cache, the drive quickly processes frequently accessed files to reduce latency across your local network.
Additionally, Western Digital equips this drive with 3D Active Balance Plus technology, a dual-plane balance control mechanism that significantly reduces vibration and noise. This is critical in multi-bay systems where the vibration of one drive can interfere with the performance of others. By minimizing these mechanical disturbances, the drive maintains high data accuracy and extends its overall lifespan. The helium-sealed enclosure also contributes to this stability by providing a less dense internal atmosphere, allowing the platters to spin with less turbulence and lower power draw than traditional air-filled drives.
Moreover, the NASware 3.0 firmware optimizes the drive for the specific challenges of a NAS environment, such as improved compatibility with popular enclosures like Synology and QNAP. This firmware enhances integration with your system’s power management and error recovery controls, preventing the drive from prematurely “falling out” of a RAID array. It also protects your data during unexpected power losses by ensuring the drive completes its current command before shutting down. This intelligence makes the WD100EFAX a superior choice over standard desktop drives that lack these specialized communication protocols.
Why Choose This Product
Specifically, you should choose the WD100EFAX model if you prefer the proven reliability and energy efficiency of helium-filled technology. While newer models have transitioned to air-filled designs to reduce manufacturing costs, the helium version remains the favorite among enthusiasts for its cooler operating temperatures and quieter acoustic profile. You gain a massive storage reservoir that consumes less electricity, which adds up to significant savings for a device meant to stay powered on every day of the year.
Likewise, the CMR architecture provides the peace of mind that your RAID rebuilds will complete without the performance “cliffs” associated with cheaper storage technologies. Many users find that this specific 10TB version offers the “sweet spot” for density, allowing you to build a high-capacity server while maintaining a manageable number of drives. By investing in this dedicated NAS hardware, you choose a drive that has undergone extensive compatibility testing with industry-leading partners to ensure a “plug-and-play” experience for your home or office server.
| Feature | Specification |
| Model Number | WD100EFAX (Old Version) |
| Capacity | 10TB |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Spindle Speed | 5400 RPM Class |
| Interface | SATA 6 Gb/s |
| Cache Size | 256 MB |
| Enclosure Type | Helium-Sealed |
| MTBF | 1,000,000 Hours |
| Workload Rating | 180TB / Year |
Frequently Asked Questions
1. Is the WD100EFAX a CMR or SMR drive?
This model is a CMR (Conventional Magnetic Recording) drive. Consequently, it is highly recommended for NAS and RAID environments because it avoids the performance slowdowns and long rebuild times often found in SMR (Shingled Magnetic Recording) drives.
2. What is the difference between this “Old Version” and the newer 10TB models?
The “Old Version” (WD100EFAX) uses a helium-sealed enclosure, whereas many newer 10TB models have moved to an air-filled design. Helium drives typically run cooler, consume less power, and operate more quietly than their air-filled counterparts.
3. Can I use this 10TB drive in a standard desktop PC?
Yes, you can use it in a PC; however, its firmware is specifically tuned for the 24/7 requirements of a NAS. While it provides excellent reliability, you might find that a WD Black drive is slightly faster for high-end gaming or direct application loading.
4. Will this drive work with my Synology or QNAP NAS?
Absolutely, the WD Red series is specifically tested for compatibility with all major NAS manufacturers. Furthermore, the NASware 3.0 firmware ensures the drive communicates effectively with your NAS software for health monitoring and error correction.
5. Does Jazz Cyber Shield ship to Canada or Europe?
Yes. Jazz Cyber Shield ships worldwide, including the USA, Canada, UK, Germany, France, and across Europe, with a full manufacturer warranty and a 30-day return policy.



























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