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WD Red Pro 12TB NAS Hard Drive, 3.5" SATA, 7200 RPM, CMR (WD122KFBX)

Price:

$ 1,084.55


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WD Red Pro 12TB NAS Hard Drive, 3.5" SATA, 7200 RPM, CMR (WD122KFBX)

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The WD Red Pro 12TB (WD122KFBX) is a nas hard drive built for multi-user business NAS and RAID systems. It has a 3.5-inch SATA 6Gb/s interface, CMR recording, a 7200 RPM spindle and a workload rating of 550 TB/year, backed by a 5-year limited warranty from Western Digital. ARC IP Networks supplies it Australia-wide at competitive prices.

$ 1,084.55 1084.55 AUD $ 1,084.55 incl. GST

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  • Storage Capacity
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  • RPM
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  • Workload Rate
  • Recording Technology

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NAS Hard Drive Internal Hard Drive CMR NAS Storage Western Digital WD Red Pro
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The WD Red Pro 12TB (WD122KFBX) is a nas hard drive built for multi-user business NAS and RAID systems. It has a 3.5-inch SATA 6Gb/s interface, CMR recording, a 7200 RPM spindle and a workload rating of 550 TB/year, backed by a 5-year limited warranty from Western Digital. ARC IP Networks supplies it Australia-wide at competitive prices.

WD Red Pro 12TB nas hard drive (WD122KFBX)

WD Red Pro 12TB overview

Available in capacities from 2TB to 26TB, WD Red Pro drives are ideal for high-intensity, 24×7 workloads of multi-user enterprise and AI NAS environments. Delivers the performance, scalability, and dependability for businesses to store, share, and collaborate on large volumes of data in RAID-optimised systems.

The WD122KFBX combines 12TB of capacity, 7200 RPM, 512MB cache, transfer rates up to 267MB/s, a workload rating of 550 TB/year and 2,000,000 hours MTBF (projected).

It is designed for rAID-optimised NAS systems with unlimited # of bays. Western Digital technologies on this drive: NASware.

Every WD Red Pro 12TB 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

Powering Smarter Content Management

WD Red Pro HDDs deliver the capacity and durability AI-driven NAS solutions depend on, supporting advanced data management and content aggregation. As AI NAS stores more structured and unstructured data, WD Red Pro scales to keep pace — boosting productivity and storage efficiency.

Durability for Heavy Workloads

With a workload rating of up to 550TB/yr, WD Red Pro hard drives are designed to handle the rigorous demands of high-intensity, 24×7 multi-user NAS environments. Continuous operation is exactly what these drives are built for — so your AI NAS runs hard without slowing down.

Enterprise-Class Capacity and Reliability

WD Red Pro drives are offered across a wide range of capacity points — from 2TB to 26TB— to scale with the needs of your organisation. Rated at 2 million hours mean time before failure (MTBF), they deliver the enterprise-class reliability that always-on AI NAS environments depend on.

Optimised for RAID

WD Red Pro drives feature Time-Limited Error Recovery (TLER), helping ensure uninterrupted operation in RAID-powered NAS and AI NAS systems. Proven in tower and rack-mount systems with any number of bays, WD Red Pro is the right drive for AI NAS at every scale — backed by a 5-year limited warranty.

WD Red Pro 12TB specifications

At a glance

12TB
SATA 6Gb/s
CMR
7200 RPM
512MB cache
550 TB/year workload
5-year warranty
WD Red Pro 12TB full specifications
General
Capacity12TB
InterfaceSATA 6Gb/s
Form factor3.5-inch
Recording technologyCMR
Drive technologyAir
RV sensorsYes
Advanced Format (AF)Yes
Native command queuingYes
OptiNAND technologyNo
TechnologiesNASware
RoHS compliantYes
Supported NAS baysRAID-optimised NAS systems with unlimited # of bays
CertificationsBSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL
Warranty5-Year Limited Warranty
Performance
Interface transfer rate (max, buffer to host)6Gb/s
Internal transfer rate (max)267MB/s
Cache512MB
Spindle speed (RPM)7200
Reliability
Workload rate550 TB/year
MTBF2,000,000 hours
Load/unload cycles600,000
Non-recoverable read errors per bits read<1 in 10^15
Power
12VDC ±10% (A, peak)1.9
Average power, read/write8.8 W
Average power, idle6.1 W
Average power, standby/sleep0.3 W
Environmental
Operating temperature0°C to 65°C
Non-operating temperature-40°C to 70°C
Shock, operating (2 ms, read/write)70 G
Shock, operating (2 ms, read)70 G
Shock, non-operating (2 ms)250 G
Acoustics, idle34 dBA
Acoustics, seek (average)39 dBA
Physical
Height (max)26.1 mm
Length (max)147 mm
Width101.6 mm
Weight0.75 kg (±3%)

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.

WD Red Pro 12TB compatibility

Who it suits

  • Business NAS with many concurrent users
  • Large multi-bay RAID arrays
  • Backup targets and virtualisation storage
  • Creative and collaboration workloads

Compatibility

  • 3.5-inch drive bay with a SATA connection
  • RAID-optimised NAS systems with unlimited # of bays

Other WD Red Pro capacities

  • 8TB (WD8005FFBX)
  • 18TB (WD181KFGX)
  • 22TB (WD221KFGX)

Related guides

Best Hard Drives for a NAS: Seagate IronWolf vs Exos (Australia)

NAS RAID Explained: RAID 1, 5, 6 and 10 for ASUSTOR (Australia)

NAS Backup Done Right: The 3-2-1 Rule and RAID 5 vs RAID 6 (Australia)

Buy the WD Red Pro 12TB from ARC IP Networks

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

  • Genuine Western Digital: new, sealed 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 WD Red Pro 12TB from the ARC IP Networks team.

Last reviewed October 2026.

The WD Red Pro 12TB (WD122KFBX) is a nas hard drive built for multi-user business NAS and RAID systems. It has a 3.5-inch SATA 6Gb/s interface, CMR recording, a 7200 RPM spindle and a workload rating of 550 TB/year, backed by a 5-year limited warranty from Western Digital.

The WD122KFBX uses CMR (conventional magnetic recording), as published by Western Digital. CMR is the preferred recording method for RAID and continuous-write workloads.

Western Digital covers the WD122KFBX with a 5-year limited warranty. ARC IP Networks supplies genuine Australian stock with the full manufacturer's warranty.

The WD122KFBX is a 3.5-inch SATA NAS drive, which is the drive type these NAS enclosures take. Check the NAS maker's compatibility list for your model before you buy.

Western Digital designs it for rAID-optimised NAS systems with unlimited # of bays.

Western Digital rates the WD122KFBX for 550 TB/year, with an MTBF of 2,000,000 hours (projected).

ARC IP Networks is a trusted Western Digital supplier in Australia: genuine WD drives at competitive prices, with the full manufacturer's warranty, Australia-wide delivery and trade pricing. Order the WD122KFBX online or call 1300 100 440 for project and volume pricing.

Need several WD Red Pro 12TB drives for a business NAS or RAID build?

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 12TB
Drive Family WD Red Pro
Interface SATA 6 Gb/s
RPM 7200 RPM
Cache 512MB
Workload Rate 550TB/year
Recording Technology CMR
WD Red Pro 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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