Western Digital

Western Digital WD4000FYYZ – 4TB | SATA 6Gb/s | 7200 RPM | 3.5" | Enterprise HDD

$139.95

Brand New, Factory Sealed | In Stock | Bulk Orders Available

The WD4000FYYZ is a 4TB SATA 6Gb/s enterprise hard drive featuring 7200 RPM, 64MB cache, and 8.5ms average seek time in a 3.5" form factor. Built for 2013-era datacenter and enterprise server systems, it is ideal for RAID arrays, bulk storage, and video surveillance applications. Compatible with any server or workstation that accepts 3.5" SATA drives with standard mounting and power connections. Engineered with dual processor technology and RAFF vibration protection for continuous 24x7 operation in demanding multi-drive environments.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.

Specifications
  • Manufacturer: Western Digital
  • Model: WD4000FYYZ
  • Capacity: 4TB
  • Interface: SATA 6Gb/s
  • Spindle Speed: 7200 RPM
  • Cache: 64MB
  • Form Factor: 3.5"
  • Seek Time: 8.5ms average
  • Latency: 4.16ms average
  • MTBF: 1.2 million hours
  • Drive Type: Enterprise HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • SATA 6Gb/s interface with 64MB cache
  • 7200 RPM performance for enterprise applications
  • RAID-specific Time-Limited Error Recovery (TLER)
  • Dual processor technology for enhanced performance
  • Enhanced RAFF vibration protection technology
  • NoTouch ramp load technology
  • 24x7 operational capability
  • 550TB/year workload rating for demanding storage workloads
  • Direct replacement for legacy systems requiring SATA connectivity
  • 90-day Anand International warranty on all legacy stock
  • Free domestic US shipping included
  • Volume and B2B pricing available for qualified buyers
Compatibility

Compatible with any server, workstation, or enterprise system that accepts standard 3.5" SATA hard drives including Dell PowerEdge, HP ProLiant, IBM System x servers, and RAID enclosures with SATA 6Gb/s or backward compatible SATA 3Gb/s controllers. Not compatible with laptop systems requiring 2.5" drives or legacy IDE/PATA interfaces.

Shipping & Returns
  • Free Shipping: We currently offer free Economy Shipping within the continental U.S. with no minimum order required. Expedited shipping is available at standard carrier rates.
  • Same-Day Shipping: Order placed before 2PM PST will ship the same day. Orders received after this time will ship the following business day.
  • Hassle-Free Returns: If you're not completely satisfied with your purchase, simply return it within 10 days for a hassle-free refund or exchange.

4TB SATA 6Gb/s 7200 RPM Enterprise Grade Factory Sealed

Why the WD4000FYYZ is the right Enterprise HDD

The WD RE series represents Western Digital's 2013-generation enterprise storage solution, bridging high-capacity bulk storage with reliable 24x7 performance. Featuring RAID-optimized firmware and vibration protection, it delivers consistent performance in multi-drive datacenter environments. This 4TB model provides maximum density for the RE series while maintaining enterprise-grade reliability specifications.

RAID-Optimized Enterprise Performance

TLER prevents drive dropout in RAID arrays while dual processor technology maximizes throughput in demanding server environments.

24x7 Continuous Operation Design

1.2 million hour MTBF with 550TB/year workload rating ensures reliable performance in always-on datacenter applications.

Advanced Vibration Protection

Enhanced RAFF technology monitors and corrects linear and rotational vibration in real-time for stable operation in multi-drive systems.

High-Density Bulk Storage Solution

4TB capacity in standard 3.5" form factor provides maximum storage density for enterprise servers and storage arrays.

New Old Stock with 90-Day Warranty

Available as brand new, factory sealed old stock units from Anand International with a 90-day warranty. Ideal for legacy system maintenance, vintage computing restoration, and hard-to-find replacement needs.

Frequently Asked Questions

Frequently asked questions for SATA, including information on usage, configuration, and compatibility.

1. What is a SATA hard drive used for?

A SATA (Serial ATA) hard drive is used in desktops, laptops, servers, and NAS systems for data storage. It’s the most common hard drive type, offering a balance of speed, affordability, and wide compatibility.

2. What’s the difference between SATA I, II, and III?

The difference is speed. SATA I supports up to 1.5 Gb/s (150 MB/s), SATA II up to 3 Gb/s (300 MB/s), and SATA III up to 6 Gb/s (600 MB/s). Most modern drives use SATA III but remain backward compatible with older versions.

3. Are SATA hard drives compatible with older systems?

Yes. SATA drives are backward compatible, meaning a SATA III drive can work on a SATA II or I port, though performance will be limited to the slower speed of the system.

4. What’s the maximum capacity of a SATA hard drive?

SATA hard drives come in a wide range of capacities, from 500GB to over 20TB. This makes them suitable for everything from basic desktop use to large-scale data storage and backup.

5. Can I use a SATA hard drive in RAID or NAS systems?

Yes. SATA drives support RAID configurations and can be used in NAS systems. For higher reliability, enterprise-grade SATA models such as NAS, surveillance, or data-center drives are recommended.

6. What is the difference between a 2.5" and a 3.5" SATA hard drive?

2.5" SATA drives are smaller and commonly used in laptops or compact systems, while 3.5" SATA drives are larger and primarily used in desktops, servers, and NAS devices.

7. How do SATA hard drives compare to SSDs?

Both use the SATA interface, but HDDs store data on spinning disks while SSDs use flash memory. SSDs are much faster, but SATA HDDs remain more affordable for high-capacity storage.