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Silver 3.5 inch internal hard drive with black label and exposed circuit board

Western Digital

Western Digital WD202KFGX Red Pro 20TB 7200 RPM SATA 512MB internal hard drive

SKU CH-00VV-6Z27P MPN WD202KFGX

A 20TB 3.5-inch SATA drive built for multi-bay NAS with CMR recording, 7200 RPM speed and 512MB cache

  • InterfaceSATA 6.0Gb/s
  • Capacity20TB
  • Recording TechnologyCMR
  • RPM7200 RPM
  • Cache512MB
  • UsageEnterprise NAS Hard Drives

Capacity 20TB

Voir les 4 autres configurations
  • 20TB capacity stores massive datasets
  • 7200 RPM delivers fast sequential throughput
  • 512MB cache accelerates heavy multi-user workloads
  • CMR technology ensures consistent write performance
  • Designed for 24-bay NAS with 300TB yearly workload rating

WD Red Pro 20TB NAS drive

This 20TB 3.5 inch hard drive uses CMR recording at 7200 RPM with a 512MB cache and a SATA 6.0Gb/s interface. It is built for enterprise NAS enclosures that hold up to 24 bays and carries a workload rating of 300TB per year.

Installation in multi-bay NAS

The drive fits standard 3.5 inch bays measuring 26.10mm high, 101.60mm wide and 147.00mm long and connects through a regular SATA data and power cable. No special drivers are required, but the host system must support volumes larger than 20TB and the NAS firmware should be current to avoid timeout errors during the first RAID initialisation.

Sustained workload behaviour

3D Active Balance Plus and NASware 3.0 technology keep vibration and error recovery stable during continuous multi-stream writes. The 300TB yearly workload rating reflects steady 24/7 operation rather than short benchmark bursts, and extended factory testing targets consistent performance across the full capacity.

Points forts

  • 20TB capacity stores massive datasets
  • 7200 RPM delivers fast sequential throughput
  • 512MB cache accelerates heavy multi-user workloads
  • CMR technology ensures consistent write performance
  • Designed for 24-bay NAS with 300TB yearly workload rating

Caractéristiques

BrandWestern Digital
SeriesRed Pro
ModelWD202KFGX
InterfaceSATA 6.0Gb/s
Capacity20TB
Recording TechnologyCMR
RPM7200 RPM
Cache512MB
UsageEnterprise NAS Hard Drives
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.60mm
Length (maximum)147.00mm
Poids d’expédition0.77 kg
Dimensions du colis183 × 127 × 56 mm

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Questions sur cet article

How can I verify the WD202KFGX is running at 7200 RPM with CMR after installation?

Check the drive model in your NAS operating system or BIOS; it should report WD202KFGX with 20TB capacity, SATA 6.0Gb/s link speed, and 512MB cache.

What ships with the WD202KFGX and what must I source separately?

The drive arrives as a bare 3.5" unit; you must supply SATA data and power cables, mounting screws, and a compatible NAS bay or controller.

Which Red Pro capacity should I choose for a 24-bay NAS with a 300TB/year workload?

Capacities range from 2 to 26TB; the 20TB model fits the 24-bay limit and supports the 300TB/year workload rating with NASware 3.0 technology.

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