Brand: Western Digital · SKU: WD4001FFSX · MPN: WD4001FFSX · Category: Storage
The WD Red Pro 4TB (WD4001FFSX) is a high-performance 3.5-inch internal hard drive designed specifically for medium to large-scale NAS environments with up to 16 bays. Part of Western Digital's Red Pro series, it features a 7200 RPM spindle speed and a 64MB cache, delivering sustained data transfer rates of up to 171 MB/s. Engineered for 24x7 reliability, the drive incorporates NASware 3.0 technology for seamless integration, StableTrac to reduce system-induced vibration, and 3D Active Balance Plus for enhanced overall drive performance and reliability. It also includes a multi-axis shock sensor and dynamic fly height technology to protect data in multi-drive environments. With an MTBF of 1.0 million hours and a 5-year limited warranty, it is an enterprise-grade solution for demanding NAS workloads.
| MTBF | 1,000,000 hours |
|---|---|
| Cache | 64 MB |
| Capacity | 4 TB |
| Interface | SATA 6 Gb/s |
| Form Factor | 3.5-inch |
| Power (Idle) | 6.5 Watts |
| Spindle Speed | 7200 RPM |
| NASware Version | 3.0 |
| Load/Unload Cycles | 600,000 |
| Power (Read/Write) | 8.6 Watts |
| Transfer Rate (Sustained) | 171 MB/s |
| Warranty | 5-Year Limited Warranty |
| Weight | 1.66 lbs |
| Dimensions | 5.79 x 4.0 x 1.03 inches |
WD Red Pro is designed to handle the increased workloads of your business, featuring advanced firmware and shock protection for 1-16 bay NAS systems.
Yes, this Western Digital Red Pro 4TB NAS Internal Hard Drive (WD4001FFSX) (WD4001FFSX) is 100% genuine Western Digital hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Western Digital Red Pro 4TB NAS Internal Hard Drive (WD4001FFSX) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the WD4001FFSX.