Western Digital WD Purple 4TB Surveillance Internal Hard Drive, 3.5 inch SATA 6Gb/s, 256MB Cache, 5400 RPM Class, AllFrame Technology, 180TB/year Workload, Up to 64 HD Cameras (WD43PURZ)
The WD Purple 4TB Surveillance Hard Drive, part number WD43PURZ, is built for video recorders that never stop writing. Unlike a desktop drive, it is rated for 24/7 operation with a 180TB per year workload rate and 1,000,000 hours MTBF, so it keeps recording in NVR and DVR systems year after year. AllFrame technology reduces dropped frames and video loss when many streams hit the drive at once, and the drive supports systems with up to 16 drive bays and as many as 64 HD single-stream cameras. A SATA 6Gb/s interface, 256MB cache and a transfer rate of up to 180MB/s keep footage flowing smoothly, while the 5400 RPM class design keeps heat and power low. Western Digital backs it with a 3-year limited warranty, and PC PARK supplies it in Saudi Arabia.
Key Features
4TB capacity for long retention of continuous surveillance footage.
Built for 24/7 recording in NVR and DVR systems rather than occasional desktop use.
AllFrame technology helps reduce frame loss and improve overall video playback quality.
Supports up to 64 HD cameras on a single-stream setup for medium and large installations.
Up to 16 drive bays supported for multi-drive surveillance recorders.
180TB per year workload rate, far higher than a standard desktop hard drive.
1,000,000 hours MTBF for long-term reliability in always-on systems.
SATA 6Gb/s interface with a 256MB cache and transfer rates up to 180MB/s.
5400 RPM class design that keeps power draw and operating temperature low.
Tarnish-resistant components for better durability in demanding environments.
RAID error recovery control for smoother behaviour in multi-drive recorders.
3-year limited manufacturer warranty from Western Digital.
Full Specifications
General Information
Brand
Western Digital
Product Name
WD Purple Surveillance Hard Drive 4TB
Part Number
WD43PURZ
Product Type
Internal 3.5 inch surveillance hard drive
Condition
New, genuine Western Digital stock
Storage and Interface
Capacity
4TB
Form Factor
3.5 inch
Interface
SATA 6Gb/s
Cache
256MB
Rotational Speed
5400 RPM class
Transfer Rate
Up to 180MB/s host to or from drive
Recording Technology
CMR
Surveillance Features
AllFrame Technology
Yes
Supported Drive Bays
Up to 16
Camera Support
Up to 64 HD single-stream cameras
Duty Cycle
24/7 continuous operation
RAID Error Recovery Control
Yes
Reliability
Workload Rate
180TB per year
MTBF
1,000,000 hours
Components
Tarnish-resistant
Power and Environment
Power Idle
4.3W
Power Read/Write
4.7W
Operating Temperature
0 to 65 degrees Celsius
Physical
Dimensions
1.028 x 5.787 x 4 inch (H x L x W)
Weight
0.57 kg
Warranty
Manufacturer Warranty
3-year limited warranty
Local Support
Local warranty through PC PARK in Saudi Arabia
Who It Is For
Homes and villas running CCTV systems that record around the clock.
Shops, offices and warehouses that need reliable long-term video retention.
Security integrators building NVR or DVR systems with several cameras.
Anyone replacing a desktop hard drive that was never designed for continuous recording.
Buyers in Riyadh, Jeddah and Dammam who want genuine Western Digital with local warranty.
What's in the Box
WD Purple 4TB surveillance hard drive (WD43PURZ)
Anti-static protective packaging
Frequently Asked Questions
What is the part number of this hard drive? The part number is WD43PURZ, the 4TB model of the WD Purple surveillance hard drive family.
Why use a WD Purple instead of a normal hard drive? WD Purple drives are rated for 24/7 writing with a 180TB per year workload and include AllFrame technology to reduce dropped frames, while desktop drives are designed for occasional use.
How many cameras can it handle? It supports systems with up to 64 HD single-stream cameras and up to 16 drive bays.
What interface and cache does it use? It uses a SATA 6Gb/s interface with a 256MB cache and transfer rates of up to 180MB/s.
What is the rotational speed? It is a 5400 RPM class drive, which keeps heat and power consumption low for always-on systems.
Can it be used in a normal desktop PC? Yes, it is a standard 3.5 inch SATA drive, although it is tuned for continuous video writing rather than for fast desktop workloads.
What warranty does Western Digital provide? Western Digital covers the drive with a 3-year limited warranty.
Is the WD Purple 4TB surveillance hard drive available in Saudi Arabia? Yes. PC PARK supplies the genuine WD Purple 4TB surveillance hard drive (WD43PURZ) in Saudi Arabia with local warranty and fast delivery to Riyadh, Jeddah, Dammam and the rest of the Kingdom.
Order the WD Purple 4TB Surveillance Hard Drive (WD43PURZ) from PC PARK, genuine Western Digital stock with local Saudi warranty and fast delivery across the Kingdom.
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Our Milestones
2023
Expanded our product catalog with the latest gaming and professional hardware, serving thousands of satisfied customers
2024
Launched our online store and delivery service, making tech accessible to customers across Saudi Arabia
2025
Reached a major milestone in customer satisfaction with enhanced after-sales support and warranty services
2026
Continuing to grow as Saudi Arabia's trusted destination for technology, gaming, and custom PC solutions
