The Western Digital Purple Surveillance Hard Drive 3TB WD33PURZ is a purpose-built 3.5-inch SATA security storage drive designed for 24/7 DVR and NVR surveillance recording. With CMR recording technology, up to 175MB/s transfer rate, 256MB cache, AllFrame firmware technology, and support for up to 64 HD cameras, this WD Purple 3TB HDD is ideal for reliable video storage in home, business, and commercial security systems.
Built specifically for mainstream surveillance environments, WD Purple drives are engineered to handle the elevated heat, vibration, and always-on recording demands that standard desktop drives are not designed for. Western Digital’s AllFrame technology helps optimise write-intensive, low bit-rate, high stream-count workloads commonly found in surveillance applications, helping reduce frame loss and improve video playback reliability.
The WD33PURZ 3TB surveillance HDD supports up to 180TB/year workload rate, up to 16 drive bays, and compatibility with up to 64 HD cameras, making it suitable for expanding security systems across retail stores, offices, warehouses, homes, and small-to-medium business sites.
What’s Included in the Box
1 x Western Digital Purple Surveillance Hard Drive 3TB — WD33PURZ
Main Features
3TB surveillance storage capacity for DVR and NVR video recording
3.5-inch SATA internal hard drive for mainstream security systems
Designed for 24/7 surveillance workloads
WD AllFrame firmware technology for surveillance video optimisation
CMR recording technology for consistent recording performance
Up to 175MB/s transfer rate
256MB cache size
Supports up to 64 HD cameras
Supports up to 16 drive bays
Up to 180TB/year workload rating
3-year limited warranty
Detailed Specifications
Specification
Details
Brand
Western Digital
Series
WD Purple
Product Type
Surveillance Hard Drive
Product Code / Model Number
WD33PURZ
Capacity
3TB
Form Factor
3.5-Inch
Connector
SATA
Interface
SATA
Transfer Rate
Up to 175MB/s
Recording Technology
CMR
Cache Size
256MB
Compatibility
Up to 64 HD cameras; up to 16 drive bays; AllFrame firmware technology
The Western Digital Purple 3TB WD33PURZ includes a 3-year limited warranty, giving customers added confidence when selecting a dedicated surveillance storage solution for DVR and NVR systems.
Brand Description
Western Digital is a globally recognised storage technology brand known for manufacturing reliable hard drives and data storage solutions for personal, business, enterprise, and surveillance applications. The WD Purple range is purpose-built for smart video surveillance systems that require dependable 24/7 recording performance.
SKU
WD33PURZ
Practical Use Scenarios
The WD Purple 3TB WD33PURZ is ideal for:
Home CCTV and smart security systems
Small business DVR and NVR installations
Retail store camera recording
Office and warehouse surveillance
Multi-camera HD video storage
Security system upgrades requiring reliable 24/7 recording
Excellence for the Australian and New Zealand Market
The Western Digital Purple Surveillance Hard Drive 3TB WD33PURZ is suitable for Australian and New Zealand surveillance environments where dependable 24/7 security recording is essential. This product includes RCM certification, supporting compliance expectations for the Australian and New Zealand market. Stock should be sourced through authorised Western Digital distribution channels, with warranty support handled according to Western Digital’s official warranty process and brand requirements.
FAQs
What is the WD33PURZ Western Digital Purple Surveillance Hard Drive 3TB used for?
The WD33PURZ is designed for DVR and NVR surveillance systems that require reliable 24/7 video recording storage.
Is the WD33PURZ suitable for CCTV camera systems?
Yes, the WD33PURZ is suitable for mainstream CCTV surveillance systems and supports configurations with up to 64 HD cameras.
Does the WD33PURZ support 24/7 recording?
Yes, the WD33PURZ is engineered for continuous 24/7 surveillance recording environments.
What capacity does the WD33PURZ offer?
The WD33PURZ provides 3TB of internal surveillance storage capacity.
What interface does the WD33PURZ use?
The WD33PURZ uses a SATA interface and SATA connector.
Does the WD33PURZ use CMR recording technology?
Yes, the WD33PURZ uses CMR recording technology.
What is the cache size of the WD33PURZ?
The WD33PURZ includes a 256MB cache.
What is the transfer rate of the WD33PURZ?
The WD33PURZ supports a transfer rate of up to 175MB/s.
What warranty comes with the WD33PURZ?
The WD33PURZ includes a 3-year limited warranty.
Is the WD33PURZ suitable for Australian and New Zealand security installations?
Yes, the WD33PURZ is suitable for Australian and New Zealand surveillance applications and includes RCM certification among its listed certifications.
FREE SHIPPING ON ORDERS OVER $500 AUSTRALIA WIDE, except for large and heavy items such as cabinets, racks, Cable reels, and bollards, etc.
All orders are delivered using the Australia Post shipping method and this is the most efficient method of delivery.
A flat rate of $12 applies to all orders under $500, excluding heavy and large items, which will incur a specific shipping cost displayed at checkout.
Delivery typically takes 3-5 business days all over Australia, including Tasmania.
New Zealand: 10-15 business days.
Processing Times
We process orders from Monday to Friday, ensuring they are shipped within 24 hours of placement, excluding weekends and public holidays.
Tracking Your Order
Once your order is packed and dispatched from our warehouse, you will receive an email with a tracking number. This tracking number can be used to monitor your parcel's progress.
For your convenience, if you are not home at the time of delivery, the delivery driver will leave your parcel in a secure place if deemed safe. If it is not safe to leave the parcel, or if the parcel is too large, a card will be left with instructions on how to retrieve your parcel from the local depot.
Warranty period is given in the product description.
CCTV Tradie’s Products come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure of the Product and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the Products repaired or replaced if the Products fail to be of acceptable quality and the failure does not amount to a major failure.
Return and refund
Hard drives are not eligible for return due to change of mind, as they are fragile items. Returns are only accepted for faulty products or incorrect orders.
Uncompromising Storage with a WD Purple Surveillance Hard Drive
WD Purple™ drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems, and some of our latest models (WD22PURZ, WD42PURZ, and WD63PURZ) have improved power efficiency. Exclusive AllFrame™ technology helps reduce frame loss and improve overall video playback
Industry-Leading Storage. Surveillance You Can Trust.
Western Digital is a worldwide leader in the hard drive industry. With WD Purple™ surveillance storage, you have a drive engineered for high temperature, always-on surveillance systems so you can rely on quality video playback when you need it most. Whether you’re protecting loved ones or monitoring your business, WD Purple™ offers performance you can trust.
Western Digital's Exclusive AllFrame™ Technology
All WD Purple™ drives are equipped with AllFrame™ technology, which improves ATA streaming to help reduce frame loss and improve overall video playback, within a multitude of security video solutions.
Enhanced Workload Ratings
WD Purple™ drives feature a workload rating of up to 180TB/year2- up to three times that of desktop drives - to handle the unique demands of mainstream video surveillance DVR and NVR systems.
Multiple Cameras, Multiple Streams
Modern recorders now support multiple video streams per camera. WD Purple™ drives support up to 64 single-stream HD cameras (6TB1and above), and can also support many of the latest cameras that transmit multiple streams to enable basic AI functionality. With so many options, you have the flexibility to upgrade or expand your security applications in the future.
Designed for Today's and Tomorrow's Surveillance Solutions
With an MTBF of up to 1 million hours3, WD Purple™ drives are engineered for mainstream surveillance DVRs and NVRs that operate 24/7. With tarnish-resistant components3and support for more than eight bays4, WD Purple drives deliver reliable operation even in harsh environments.
Wide Compatibility. Seamless Integration.
WD Purple™ hard drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of industry-leading enclosures and chipsets supported, you’re sure to find the DVR or NVR configuration that’s right for you.
Proactive Storage Management with WDDA
Western Digital Device Analytics™ (WDDA) provides a wealth of storage device parametric operational and diagnostic data to the system; algorithms interpret the data and direct the system to alert system administrators of specific recommended actions to address potential issues. WDDA is intended to empower OEMs, system integrators, and IT professionals to better monitor and proactively manage supported storage devices to maintain optimal operation.
Three-Year Limited Warranty
As an industry-leading hard drive manufacturer, Western Digital stands behind their surveillance storage solutions with a 3-year limited warranty included with every WD Purple™ drive.
Neel and Panduka are friendly, helpful and knowledgeable. Fair prices and good range of products. Happy with my TP-Link VIGI camera system and PSS UPS battery.
Neelen was super helpful from start to finish and never tried to upsell me on things I didn’t need. Very fair pricing and honest advice. Would definitely recommend this shop. Thank you! ☺️
We respectfully acknowledge the Wurundjeri People, and their Elders past and present, who are the Traditional Owners of the land which we are located.
Supporting Local Business
By sourcing our products exclusively from local suppliers, we ensure quality, strengthen community ties, and contribute to the growth of our local economy.
Australian Standards
All products are authorized and compliant with Australian standards, ensuring top-tier security solutions that meet national quality requirements.
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