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WD4000FYYZ-RFB 4TB hard drive top view showing WD Re enterprise label and SATA interface
WD4000FYYZ-RFB 4TB hard drive top view showing WD Re enterprise label and SATA interface
Western Digital 4TB HDD side profile with 3.5-inch form factor and mounting screw holes
WD 4TB hard drive internal platter and actuator arm visible in open chassis view
WD4000FYYZ-RFB 4TB HDD internal platter and actuator arm top-down view
Western Digital 4TB 7200RPM hard drive SATA III connector and side profile
WD 4TB surveillance HDD internal mechanism and platter assembly close-up
WD4000FYYZ-RFB 4TB HDD internal platters and actuator arm with SATA III connector
Western Digital 4TB 7200RPM hard drive top-down view showing platter and read head
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Western Digital (WD4000FYYZ-RFB) 4TB 7200RPM 64MB SATA III HDD

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$382.99 exc. VAT Note: VAT will be charged for UK & EU Countries at checkout. For Zero VAT (for EU buyers), please provide a VAT number at checkout.

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Dispatch Time: Next Working Day Dispatch timelines are estimates and may vary due to unforeseen delays of 1-2 working days for small orders. Larger quantities may require additional processing time.

Product Code: UDHO-3961

MPN #: WD4000FYYZ-RFB

Product Condition: New

Running out of reliable storage for your server or surveillance system can cause costly downtime and data loss. The Western Digital (WD4000FYYZ-RFB) 4TB 7200RPM 64MB SATA III HDD is a high-capacity hard drive designed for demanding, write-intensive environments, giving you the space and speed you need to keep operations running smoothly.

Key Features of a 4TB Hard Drive
  • MTBF: 1 200 000 h. Extremely long mean time between failures means the drive stays dependable for years.
  • Native Command Queuing (NCQ): Yes. Improves performance by reordering read/write commands efficiently.
  • Start/stop cycles: 600 000. Handles frequent power cycles without wearing out quickly.
  • SMART technology: Yes. Continuously monitors drive health to alert you of potential issues early.
  • Average seek time: 20 ms. Quickly locates data, reducing latency during heavy workloads.
  • Access time: 8.9 ms. Fast response when the drive is accessed, enhancing overall system speed.
  • Storage drive buffer size: 64 MB. Large cache smooths data transfers and boosts performance.
  • Interface: Serial ATA III. Provides a fast 6 Gbit/s data transfer rate for modern systems.
  • HDD speed: 7200 RPM. High rotation speed delivers quicker read/write operations.
  • Power consumption (idle): 8.6 W. Low idle power helps keep energy costs down while the drive waits for tasks.

Why Choose a Western Digital Hard Drive

If you manage enterprise servers, video-surveillance arrays, or any write-heavy application, you need storage that can handle constant activity without faltering. Many drives struggle with vibration, heat, or frequent power cycles, leading to failures and data gaps. This Western Digital hard drive combines robust vibration tolerance, a solid warranty, and proven reliability, fitting seamlessly into demanding setups while protecting your investment.

Benefits of Western Digital Hard Drive
  • Reliability: Long MTBF and SMART monitoring keep your data safe.
  • Performance: NCQ and 7200 RPM speed deliver swift access for busy workloads.
  • Energy efficiency: Low idle power reduces operating costs.
  • Compatibility: Works with Windows, Mac and supports eSATA connections.
  • Warranty: Five-year limited warranty provides peace of mind.

Usages of a 4TB Hard Drive

Ideal for enterprise servers, network-attached storage, and video-surveillance systems, this drive also excels in high-capacity workstations, backup servers, and any environment where large, fast, and reliable storage is essential.


Specifications
Features
Mean time between failures (MTBF)1200000 h
Native Command Queuing (NCQ)Yes
Start/stop cycles600000
SMART technologyYes
Average seek time20 ms
Access time8.9 ms
Storage drive buffer size64 MB
TypeHDD
InterfaceSerial ATA III
HDD size3.5"
HDD speed7200 RPM
HDD capacity4 TB
Power
Operating voltage5 / 12 V
Power consumption (idle)8.6 W
Power consumption (read)9.7 W
Power consumption (write)9.5 W
Operational conditions
Non-operating shock300 G
Operating shock30 G
Storage temperature (T-T)-40 - 70 °C
Operating temperature (T-T)5 - 55 °C
Packaging content
User guideYes
Storage drive adapter includedNo
Weight & dimensions
Weight750 g
Depth147 mm
Height26.1 mm
Width101.6 mm
Logistics data
Harmonized System (HS) code84717050
Other features
Windows operating systems supportedWindows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 8, Windows 8 Enterprise, Windows 8 Pro
Compatible operating systemsWindows 7/8
Data transfer rate6 Gbit/s
InternalYes
Mac compatibilityYes
Operating temperature (T-T)5 - 55 °C
Storage temperature (T-T)-40 - 70 °C
eSATAYes
Product colourBlack

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