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Western Digital Ultrastar DC HC560 20 TB 3.5 inch SATA internal hard drive

Western Digital

Western Digital Ultrastar DC HC560 0F38785 20 TB 3.5" SATA internal hard drive

SKU CH-CP1Y-W2RMZ

A 20 TB enterprise-grade 3.5" SATA drive with 7200 RPM and 512 MB cache for high-capacity storage

  • Total capacity20 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory512 MB
  • Recommended useFor Enterprise Storage
  • 20 TB capacity stores massive datasets
  • 7200 RPM spindle delivers sustained throughput
  • 512 MB cache buffers heavy write workloads
  • SATA 6.0 Gb/s interface integrates with existing arrays
  • 5 inch form factor fits standard enterprise bays

Enterprise storage capacity

The Western Digital Ultrastar DC HC560 0F38785 delivers 20 TB of storage in a 3.5 inch form factor. It connects through a SATA 6.0Gb/s interface and spins at 7200 RPM with a 512 MB cache. The drive is built for enterprise storage environments.

Sustained workload behaviour

The 7200 RPM spindle speed and large cache support continuous read and write operations across the full 20 TB capacity. Enterprise firmware is tuned for consistent throughput during extended duty cycles rather than short bursts. The SATA interface maintains steady data transfer for hyperscale cloud, service provider and surveillance workloads.

Single deciding specification

The 20 TB capacity is the primary factor that determines whether this drive fits the storage plan. Buyers who need less raw capacity per drive should consider lower-capacity models. The 3.5 inch SATA form factor also requires compatible drive bays and backplane connections.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $779.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 20 TB
Higher than about 94% of the 2,372 comparable items (median 2 TB).
Price per TB $39.00 per TB
Cheaper than about 71% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWestern Digital
Total capacity20 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory512 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How much power does the 20 TB drive draw when it runs continuously?

The 7200 RPM enterprise drive is built for sustained workloads and uses standard SATA power connectors.

What host interface must my system provide for the SATA 6.0Gb/s drive to work?

A SATA 6.0Gb/s port on the motherboard or controller and a matching data cable are required.

Will the 3.5" SATA drive fit alongside older 3.5" SATA drives in the same enclosure?

Yes, it shares the standard 3.5" form factor and SATA connectors used by earlier drives.

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