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Ultrastar DC HC560 20TB Data Centre Hard Drive, 3.5" SATA, 7200 RPM (0F38785)

Price:

$ 1,836.45


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Ultrastar DC HC560 20TB Data Centre Hard Drive, 3.5" SATA, 7200 RPM (0F38785)

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The Ultrastar DC HC560 20TB (0F38785) is a data centre hard drive built for enterprise servers, storage arrays and data centres. It has a 3.5-inch SATA 6Gb/s interface, a 7200 RPM spindle and a workload rating of up to 550 TB/year, backed by a 5-year limited warranty from Western Digital. ARC IP Networks supplies it Australia-wide at competitive prices.

$ 1,836.45 1836.45 AUD $ 1,836.45 incl. GST

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Internal Hard Drive Western Digital WD Ultrastar Data Centre Hard Drive Enterprise Storage
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The Ultrastar DC HC560 20TB (0F38785) is a data centre hard drive built for enterprise servers, storage arrays and data centres. It has a 3.5-inch SATA 6Gb/s interface, a 7200 RPM spindle and a workload rating of up to 550 TB/year, backed by a 5-year limited warranty from Western Digital. ARC IP Networks supplies it Australia-wide at competitive prices.

Ultrastar DC HC560 20TB data centre hard drive (0F38785)

Ultrastar DC HC560 20TB overview

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.

The 0F38785 combines 20TB of capacity, 7200 RPM, 512MB cache, transfer rates up to 291 MB/s / 277 MiB/s, a workload rating of up to 550 TB/year and 2.5 million hours MTBF (projected).

It uses 512e: 512 / 4Kn: 4096 (Advanced Format, 4K physical sectors) sector formatting with Base (SE): No Encryption. Sanitize Overwrite only; ATA Security Feature Set standard on SATA security. Model number: WUH722020BLE6L4.

Every Ultrastar DC HC560 20TB sold by ARC IP Networks is genuine, new Western Digital stock with the full 5-year limited manufacturer's warranty, delivered Australia-wide at competitive prices. Australian stock from ARC IP Networks.

Key features

Reimagining the HDD for Exponential Data Growth

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.

20TB 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.

Industry-first technologies

OptiNAND, energy-assisted magnetic recording (EAMR), triple-stage actuator (TSA) and HelioSeal enable the highest capacities with low power.

Trusted Reliability and Quality for Data at Scale

The Ultrastar DC HC560 meets modern data centre reliability requirements with 2.5M MTBF (projected) and a 5-year limited warranty. It offers security and encryption options to help protect data from unauthorized use, including SED models.

Ultrastar DC HC560 20TB specifications

At a glance

20TB
SATA 6Gb/s
7200 RPM
512MB cache
550 TB/year workload
5-year warranty
Ultrastar DC HC560 20TB full specifications
General
Capacity20TB
Form factor3.5-inch
Model numberWUH722020BLE6L4
Part number0F38785 (Base SE)
InterfaceSATA 6Gb/s
Sector format512e: 512 / 4Kn: 4096 (Advanced Format, 4K physical sectors)
Recording technologyCMR with ePMR; OptiNAND; EAMR; triple-stage actuator (TSA); HelioSeal (7th generation); nine-disk platform (2.2TB/platter)
Areal density (max)1131 Gbits/sq. in.
Encryption / securityBase (SE): No Encryption. Sanitize Overwrite only; ATA Security Feature Set standard on SATA
Limited warranty5 years
Performance
Rotational speed7200 RPM
Data buffer (cache)512MB
Latency average4.16 ms
Interface transfer rate (max)600 MB/s
Sustained transfer rate (max)291 MB/s / 277 MiB/s
Random read 4KB QD=32212 IOPS
Random write 4KB QD=32, WCE/WCD565/565 IOPS
Reliability
Error rate (non-recoverable, bits read)1 in 10^15
Load/unload cycles (at 40°C)600,000
Availability24x7
MTBF (projected)2.5 million hours
Annualized failure rate (AFR, projected)0.35%
Workload rateUp to 550 TB/year
Power
Operating power6.9 W (SATA: Random RW 50/50 8KB QD=1 @40 IOPS)
Idle power5.8 W (Idle_A)
Power efficiency at idle0.29 W/TB
Environmental
Acoustics idle / operating (typical)2.0 / 3.2 Bels
Operating temperature5°C to 60°C (5°C ambient temperature, 60°C device-reported temperature)
Non-operating temperature-40°C to 70°C
Operating shock (half-sine wave, 2 ms)50 G
Non-operating shock (half-sine wave)250 G
Operating vibration (5 to 500 Hz)0.7 (XYZ) G RMS
Non-operating vibration (2 to 200 Hz)1.04 (XYZ) G RMS
Physical
Z-height26.1 mm
Dimensions (width x depth)101.6 (+/-0.25) x 147 mm
Weight (max)690 g

Source: Western Digital's published specifications (Western Digital product page and datasheet for this model). Western Digital may change specifications without notice.

The Western Digital datasheet for this drive is attached under Documents on this page.

Ultrastar DC HC560 20TB compatibility

Who it suits

  • Enterprise servers and storage arrays
  • Hyperscale, cloud and object storage
  • Backup and archive repositories
  • Large NAS and video storage servers

Compatibility

  • 3.5-inch drive bay with a SATA connection
  • 512e: 512 / 4Kn: 4096 (Advanced Format, 4K physical sectors) sector format: check your controller or HBA supports it

Other Ultrastar DC HC560 capacities

  • Ask us about other capacities in this range.

Related guides

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ASUSTOR NAS for VMware vSphere: iSCSI and NFS Datastores (Australia)

Buy the Ultrastar DC HC560 20TB from ARC IP Networks

ARC IP Networks is an authorised Western Digital reseller in Australia: genuine WD drives at competitive prices, with the full manufacturer's warranty, Australia-wide delivery and trade pricing.

  • Authorised Western Digital reseller: genuine, new WD drives.
  • Manufacturer warranty: Western Digital 5-year limited warranty, as published by Western Digital for this model.
  • Australia-wide delivery to every state and territory.
  • Trade and project pricing: call 1300 100 440 or email info@arcip.com.au.

Frequently asked questions

Straight answers about the Ultrastar DC HC560 20TB from the ARC IP Networks team.

Last reviewed October 2026.

The Ultrastar DC HC560 20TB (0F38785) is a data centre hard drive built for enterprise servers, storage arrays and data centres. It has a 3.5-inch SATA 6Gb/s interface, a 7200 RPM spindle and a workload rating of up to 550 TB/year, backed by a 5-year limited warranty from Western Digital.

Western Digital covers the 0F38785 with a 5-year limited warranty. ARC IP Networks supplies genuine Australian stock with the full manufacturer's warranty.

The 0F38785 uses a SATA 6Gb/s interface. It works with standard SATA controllers and backplanes.

Part number 0F38785 is the Ultrastar DC HC560 20TB, Western Digital model WUH722020BLE6L4.

Western Digital rates the 0F38785 for up to 550 TB/year, with an MTBF of 2.5 million hours (projected).

ARC IP Networks is an authorised Western Digital reseller in Australia: genuine WD drives at competitive prices, with the full manufacturer's warranty, Australia-wide delivery and trade pricing. Order the 0F38785 online or call 1300 100 440 for project and volume pricing.

Need several Ultrastar DC HC560 20TB drives for a server or storage array?

Ask ARC IP Networks for volume and project pricing on genuine Western Digital drives.

Genuine Western Digital in Australia. Browse the WD range at ARC IP Networks: WD Purple surveillance drives, WD Red NAS drives, WD Blue and WD_BLACK desktop drives, Ultrastar data centre drives and WD Elements external drives.

Shop all WD drives

Brand Western Digital
Form Factor 3.5-inch Internal
Warranty 5 Years
Storage Capacity 20TB
Drive Family Ultrastar DC HC560
Interface SATA 6 Gb/s
RPM 7200 RPM
Cache 512MB
Workload Rate 550TB/year
Ultrastar DC HC560 datasheet (Western Digital).pdf
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Accurate Shipping Costs

Our online shipping calculator is designed to provide a final, accurate shipping cost based on the items in your cart and your delivery postcode. Shipping costs are calculated at checkout based on your order and delivery postcode. The final cost is calculated based on several factors which are automatically accounted for by our system, including:

  • The stock location of the item(s) across our warehouses.
  • Orders with multiple items that may require special packaging.
  • The weight and dimensions of the order (including heavy or oversized items).
  • The delivery courier servicing your specific region.

Delivery Times


 

Standard Processing


Most orders placed by 2pm AEDT are dispatched for next working day delivery. Larger orders may require 1-2 additional business days for processing. If timing is critical, please contact us to discuss expedited options (additional charges may apply).


Delivery Timeframes


Region

Processing Time

Express Delivery

Standard Delivery

VIC, NSW, SA, QLD Metro, TAS

1-2 business days

1-2 business days

2-4 business days

NT, WA, QLD Rural

1-2 business days

1-2 business days

3-5 business days

New Zealand

1-2 business days

2-3 business days

4-10 business days

Please note: Processing times may extend during peak periods such as Christmas and end of financial year.

Free Warehouse Pickup



Save on shipping costs with free pickup from our ARC IP Networks Blackburn warehouse. Simply place your order online or by phone, and collect during business hours (Monday to Friday). Please allow time for picking and packing. For urgent orders, call 1300 100 440 to confirm your order is ready.

ARC IP Networks Pickup Address: 6 George Street, Blackburn, VIC 3130


Insurance & Tracking



All ARC IP Networks shipments are fully insured and trackable. Once dispatched, you'll receive an email with your tracking number and courier website details. If your item is confirmed lost or damaged by our courier, we'll arrange a replacement in consultation with you.


International Shipping



ARC IP Networks ships to New Zealand. Please note:


  • Import duties and taxes vary by country
  • Buyers are responsible for all customs charges
  • Contact your local customs authority before ordering
  • We'll provide required documentation for smooth customs clearance
  • Buyers cover all shipping costs for returns due to refused duties/taxes


Delivery Requirements


Signature Required


All deliveries must be signed for. If you won't be home, contact our Sales Support team to arrange Authority to Leave. Important: Authority to Leave voids shipping insurance if parcels are lost or stolen.


Delivery Restrictions


We do not deliver to PO Boxes or Parcel Lockers as our couriers cannot access them. Orders sent to these addresses will be returned, incurring redelivery fees.


Shipping Issue Resolution


ARC IP Networks works closely with our shipping partners to resolve any delivery issues quickly and fairly:


  1. Confirmation: We verify expected delivery dates with our shipping partners
  2. Investigation: Issues outside normal timeframes trigger formal investigations
  3. Communication: We keep you updated throughout the resolution process
  4. Resolution: Confirmed lost items are replaced or refunded after investigation completion


Please note: Refunds for lost, missing, or delayed orders cannot be processed until shipping partner investigations are complete. This does not affect your rights under the Australian Consumer Law, and refunds or replacements will be provided where required once loss or damage is confirmed.

Warranty & Faulty Products

ARC IP Networks complies with the Australian Consumer Law (ACL).

If a product is faulty, damaged, not of acceptable quality, or does not perform as advertised, you are entitled to a repair, replacement, or refund in accordance with ACL.

Manufacturer Warranty Returns

For faults developing after 14 days within the warranty period:

  • Contact ARC IP Networks first at info@arcip.com.au or 1300 100 440
  • We will assess the issue and coordinate with manufacturers, authorised service centres, or distributors on your behalf
  • Where required, a manufacturer RMA may be arranged
  • ARC IP Networks manages the return process and next steps

Dead on Arrival (DOA)

Products that arrive faulty or damaged must be reported within 14 days of delivery.

ARC IP Networks will arrange assessment, replacement, or refund as appropriate.

Change of Mind & Non-Faulty Returns

Change-of-mind returns must be requested within 14 days of delivery. For change-of-mind returns, the product must be unused, unopened, in its original packaging, and returned with all accessories and documentation. These conditions apply only to change-of-mind returns and do not limit or exclude your rights under the Australian Consumer Law. Some products are not eligible for change-of-mind returns, including:

  • Ex-demo products
  • Clearance or markdown items
  • Special-order items
  • Products clearly marked “No Change-of-Mind Returns”

Important

This does not affect your rights under Australian Consumer Law.

If a product is faulty, not of acceptable quality, or does not meet advertised specifications, it remains eligible for return regardless of category.

Refunds & Processing Timeframes

  • Approved refunds are processed within 7 business days of receiving returned goods
  • Refunds are issued to the original payment method, unless otherwise agreed
  • Replacement or repair may be offered where appropriate
  • Store credit may be offered only with customer consent

Handling fees and non-returnable service charges may not be refundable where permitted by law.


Restocking Fees

For approved change-of-mind or non-faulty returns, a 15% restocking fee applies.

  • Any applicable restocking fee will be clearly communicated prior to return approval
  • The fee will be deducted from the refund amount
  • Restocking fees do not apply to returns made under the Australian Consumer Law, including faulty, damaged, or misrepresented goods.

Return Shipping Costs

  • Change-of-mind returns: The customer is responsible for return shipping costs.
  • Faulty or defective products: ARC IP Networks covers return shipping under Australian Consumer Law.

Non-Warranty Repairs

For issues not covered by warranty:

  • ARC IP Networks will provide a quote before proceeding
  • Customers are responsible for all shipping and service costs
  • No repairs are undertaken without customer approval

Return Methods

Returns may be made:

  • In-store at ARC IP Networks – 6 George Street, Blackburn VIC 3130
  • Or by shipment as instructed by our support team

Proof of purchase is required for all returns.

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