Overview
Specifications
Resources
Disclosures
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Ultrastar DC HC560
from Western Digital

★ ★ ★ ★ ★

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20TB capacity with a reimagined HDD

An innovative storage architecture to help our customers meet their need for exponential data growth.

Product Details

Reimagining the HDD to Meet the Growth of Data
Hyperscale cloud, CSPs, enterprises, smart video surveillance partners, NAS suppliers and more need storage solutions to meet the exponential growth in data creation. When it comes to cost-effective storage of data at scale, hard disk drives (HDDs) continue to play a central role. HDDs deliver the capacity, performance and reliability needed to store vast amounts of data today and well into the future. Investments in HDD technology remain critical to supporting worldwide data growth.

Western Digital has developed flash-enhanced drives with OptiNAND™ technology by vertically integrating our leading NAND flash with our world-class HDDs.  Western Digital HDDs have been leaders in areal density with industry first technologies of energy-assisted magnetic recording technology (EAMR), triple-stage actuator (TSA), HelioSeal®, and now OptiNAND technology. Higher areal density means higher capacities to meet storage challenges. 

20TB1 HDDs with OptiNAND Technology
OptiNAND integrates an iNAND® Universal Flash Storage (UFS) Embedded Flash Drive (EFD) with traditional spinning disk media, and incorporates innovative changes to the firmware algorithm and system-on-a-chip (SoC). OptiNAND is not a hybrid technology. The drive works smarter, with enhanced firmware algorithms taking advantage of expanded metadata that has been offloaded to the iNAND, enabling more tracks per inch (TPI) with resulting increased areal density.  

The Ultrastar  DC HC560, with the first implementation of OptiNAND technology’s capacity-enabling features, delivers an unbeaten 20TB capacity in a nine-disk platform (2.2TB/platter) with CMR recording format.

Full Specifications

Features
  • ePMR and CMR work with all capacity enterprise applications and environments
  • OptiNAND for highest capacities
  • EAMR, TSA, and HelioSeal technologies
  • Projected 2.5M hours MTBF
Capacity
20TB
Form Factor
3.5-Inch
Connector
SATA
Compatibility
  • Windows, Windows Server, Linux
Interface
SATA
Transfer Rate
up to 291MB/s
Recording Technology
CMR
Cache Size
512MB
Security
SE
Warranty
5-Year Limited Warranty
Dimensions (L x W x H)
5.79" x 4" x 1.03"
Weight
690gms
Model Number
0F38755
Operating Temperature
5°C to 60°C
Non-Operating Temperature
-40°C to 70°C
Drive
3.5"
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Product Numbers

20TB
20TB

Resources

Download Data Sheet
Product Support

Ratings & Reviews

Disclosures

  1. One megabyte (MB) is equal to one million bytes, one gigabyte (GB) is equal to 1,000MB (one billion bytes), one terabyte (TB) is equal to 1,000GB (one trillion bytes), and one petabyte (PB) is equal to 1,000TB. Actual user capacity may be less due to operating environment.
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