Brand: Western Digital · SKU: WD4000F9YZ · MPN: WD4000F9YZ · Category: Storage
The WD Se WD4000F9YZ is a 4TB enterprise-class 3.5-inch internal hard drive designed for scale-out datacenters, replicated environments, bulk cloud storage, and backup/archiving. It features a 7200 RPM spindle speed, 64MB of cache, and a SATA 6Gb/s interface. Engineered for 24x7x365 operation, the drive incorporates Rotary Acceleration Feed Forward (RAFF) technology to monitor and correct linear and rotational vibration in real time, and dual actuator technology for high-precision head positioning. It is built to provide a cost-effective balance of performance and reliability for mid-range NAS and server environments.
| MTBF | 800,000 hours |
|---|---|
| Cache | 64MB |
| Capacity | 4TB |
| Interface | SATA 6Gb/s |
| Form Factor | 3.5-inch |
| Sector Size | 512n / 512e |
| Rotational Speed | 7200 RPM |
| Data Transfer Rate | 171 MB/s (Sustained) |
| Warranty | 5-year limited manufacturer warranty |
| Weight | 1.66 lbs |
| Dimensions | 1.028 x 5.787 x 4.00 inches |
The WD Se series provides an ideal solution for scale-out datacenters, delivering a combination of performance, reliability, and workload capability while maintaining enterprise-class durability. It is optimized for multi-drive NAS systems and RAID configurations.
Yes, this Western Digital Se 4TB Datacenter Hard Drive (WD4000F9YZ) 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 Se 4TB Datacenter Hard Drive 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 WD4000F9YZ.