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WD Gold 20TB 3.5-inch enterprise SATA hard drive front label and mounting bracket detail
WD Gold 20TB 3.5-inch enterprise SATA hard drive front label and mounting bracket detail
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Western Digital WD203KRYZ 20TB 7200RPM SATA 3.5" Hard Drive

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$1,776.99 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-4169

MPN #: WD203KRYZ

Product Condition: New

Running out of space for critical files can halt your business and cost you time. The Western Digital WD203KRYZ 20TB 7200RPM SATA 3.5" Hard Drive gives you massive, reliable storage that keeps servers, workstations and backup systems humming without interruption. It is built for continuous heavy workloads, so you can store, retrieve and protect valuable data with confidence.

Benefits of Western Digital Hard Drive

You enjoy peace of mind from a five-year limited warranty and an MTBF of 2,500,000 hours, meaning the drive is engineered to run for years without failure. The high 7200 RPM speed delivers swift access to large files, reducing wait times. Power loss protection safeguards data during unexpected outages, while the Rotational Vibration Safeguard maintains performance even in busy rack environments. Low noise and modest power draw keep operating costs down.

Key Features of a 20 TB Hard Drive
  • Capacity: 20 TB. Provides ample room for growing archives, databases and media libraries.
  • Spindle Speed: 7200 rpm. Ensures fast read/write cycles for demanding applications.
  • Interface: SATA 6 Gb/s. Offers high-speed connectivity compatible with most servers and workstations.
  • Buffer Size: 512 MB. Improves data transfer efficiency and reduces latency.
  • Form Factor: 3.5 in. Fits standard drive bays in enterprise racks and desktop towers.
  • Dimensions: 1 in × 4 in × 5.8 in. Compact enough for dense storage arrays.
  • Weight: 22.57 oz. Light enough for easy handling yet robust for heavy use.
  • MTBF: 2,500,000 hours. Indicates exceptional reliability over the drive’s lifespan.
  • Power Consumption: 6.4 W active | 5.3 W idle. Keeps energy costs low while delivering performance.
  • Temperature Range: 41 °F - 140 °F operating. Handles the heat of busy data centres.

Usages of a 20 TB Hard Drive

Ideal for high-capacity server storage, backup solutions, video editing workstations, virtualisation hosts and large-scale data analytics.

  • Primary storage in enterprise servers handling heavy read/write workloads.
  • Archival backup for critical business data and compliance records.
  • Media libraries for 4K/8K video production and post-production.
  • Virtual machine hosts requiring fast, reliable disk access.
  • High-performance NAS units for collaborative file sharing.

Western Digital Hard Drive

Many buyers worry that a large-capacity drive will be slow, unreliable or difficult to fit into existing racks. They also fear data loss during power failures and wonder whether the drive can endure the constant vibration of a busy server room.

The Western Digital WD203KRYZ 20TB 7200RPM SATA 3.5" Hard Drive removes these doubts. Its 7200 rpm speed and 600 MBps external transfer rate keep performance high, while the five-year warranty, 2.5 million-hour MTBF and Rotational Vibration Safeguard guarantee durability. ArmorCache™ technology protects your data if power is lost, so you can trust the drive to keep your mission-critical information safe and accessible.


Specifications
Miscellaneous
Miscellaneous / MTBF2,500,000hours
Storage
Storage / TypeHard drive
Header
Header / Product LineWD Gold
Header / Packaged Quantity1
Dimensions & Weight
Dimensions & Weight / Height1in
Dimensions & Weight / Width4in
Dimensions & Weight / Depth5.8in
Dimensions & Weight / Weight22.57oz
Environmental Parameters
Environmental Parameters / Min Operating Temperature41 °F
Environmental Parameters / Max Operating Temperature140 °F
Environmental Parameters / Min Storage Temperature-40 °F
Environmental Parameters / Max Storage Temperature158 °F
Environmental Parameters / Shock Tolerance (non-operating)300 g @ 2 ms half-sine wave
Environmental Parameters / Shock Tolerance (operating)65 g @ 2 ms half-sine wave
Environmental Parameters / Sound Emission25 dBA
General
General / Capacity20 TB
General / Depth5.8 in
General / Buffer Size512 MB
General / Width4 in
General / Weight22.57 oz
General / InterfaceSATA 6Gb/s
General / Device TypeHard drive - internal
General / Form Factor3.5"
General / FeaturesAdvanced format 512e, OptiNAND technology, HelioSeal, Rotational Vibration Safeguard (RVS)
General / Height1 in
Expansion & Connectivity
Expansion & Connectivity / Interfaces1 x SATA 6 Gb/s
Expansion & Connectivity / Compatible Bay3.5"
Performance
Performance / Drive Transfer Rate600 MBps (external)
Performance / Spindle Speed7200 rpm
Performance / Internal Data Rate285 MBps
Reliability
Reliability / MTBF2,500,000 hours
Hard Drive
Hard Drive / Internal Data Rate285MBps
Hard Drive / Form Factor3.5"
Hard Drive / Spindle Speed7200rpm
Hard Drive / InterfaceSerial ATA-600
Hard Drive / Form Factor (Short)3.5"
Hard Drive / Form Factor (Short) (metric)8.9 cm
Hard Drive / Capacity20TB
Hard Drive / Data Transfer Rate600MBps
Hard Drive / Buffer Size512MB
Hard Drive / Hard Drive TypeInternal hard drive
Hard Drive / Form Factor (metric)8.9 cm
Power
Power / Power Consumption6.4 watt (active) ¦ 5.3 watt (idle)
Summary Details
HDD capacity20 TB
HDD speed7200 RPM
Storage drive buffer size512 MB
HDD size3.5"
InterfaceSerial ATA
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