WD WD42PURZ Purple Surveillance 4TB 3.5 inch SATA Hard Drive
£83.89 exc. VAT
WD WD42PURZ Purple 4TB SATA Hard Drive for Surveillance w/ 5400RPM 6Gb/s 256MB Cache
The WD WD42PURZ Purple 4TB SATA Hard Drive is built for 24/7, always-on, high-definition security systems. The WD42PURZ features Western Digital’s exclusive AllFrame technology, so you can confidently create a security system tailored to the needs of your business. Using AllFrame technology, the WD42PURZ drive improves video capturing and helps to reduce errors, pixelation, and video interruptions that could happen in a video recorder system. The WD42PURZ has an enhanced workload rating that supports systems designed for 24/7 video recording with up to 64 cameras.
WD WD42PURZ Purple 4TB SATA Hard Drive for Surveillance w/ 5400RPM 6Gb/s 256MB Cache
WD WD42PURZ Purple Surveillance 4TB 3.5 inch SATA Hard Drive
The WD WD42PURZ Purple 4TB SATA Hard Drive is built for 24/7, always-on, high-definition security systems. The WD42PURZ features Western Digital’s exclusive AllFrame technology, so you can confidently create a security system tailored to the needs of your business. Using AllFrame technology, the WD42PURZ drive improves video capturing and helps to reduce errors, pixelation, and video interruptions that could happen in a video recorder system. The WD42PURZ has an enhanced workload rating that supports systems designed for 24/7 video recording with up to 64 cameras.
Hard Drive Vital Statistics
- Model Number: WD42PURZ
- Capacity: 4TB
- Speed: 5400RPM
- Cache: 256MB
- Interface: SATA 6Gb/s
- Form factor: 3.5 inch
Western Digital’s Exclusive AllFrame Technology
This WD Purple WD42PURZ drive is 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
The WD Purple WD42PURZ drive feature a workload rating of up to 180TB/year — 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. Select the WD Purple WD42PURZ drive to support up to 64 single-stream HD cameras, and 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.
Future-proof Surveillance Solutions
With an MTBF of up to 1 million hours, this WD Purple WD42PURZ drive is engineered for mainstream surveillance DVRs and NVRs that operate 24/7. With tarnish-resistant components and support for more than eight bays, this WD Purple drive delivers reliable operation in surveillance systems even in harsh environments.
Wide Compatibility, Seamless Integration
This WD Purple WD42PURZ hard drive is 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.
Specifications
Formatted Capacity
- 4TB
Form Factor
- 3.5-inch
Advanced Format (AF)
- Yes
Recording Technology
- CMR
RoHS compliant
- Yes
Product Features
Cameras supported
- Up to 64 HD
Drive Bays Supported
- 16
Firmware Feature Name
- AllFrame
Tarnish resistant components
- Yes
Performance
Interface transfer rate (max)
- Buffer to host
- 6 Gb/s
- Host to/from drive (sustained)
- 175MB/s
Cache (MB)
- 256
Reliability/Data Integrity
Load/unload cycles
- 300,000
Annualised workload rating
- 180TB/yr
Non-recoverable read errors per bits read
- < 1 in 10^14
MTBF
- 1,000,000
Power Management
Average power requirements (W)
- Read/Write
- 4.6
- Idle
- 3.7
- Standby and Sleep
- 0.3
Environmental Specifications
Temperature (on the base casting)
- Operating
- 0°C to 65°C
- Non-operating
- -40°C to 70°C
Shock (Gs)
- Operating (2ms, read/write)
- 30
- Operating (2ms, read)
- 65
- Non-operating (2ms)
- 250
Acoustics (dBA)
- Idle
- 23
- Seek (average)
- 27
Physical Dimensions
Height (max)
- 26.1 mm (1.028 in.)
Length (max)
- 147 mm (5.787 in.)
Width (± .01 in.)
- 101.6 mm (4 in.)
Weight (± 10%)
- 0.57 kg (1.26 lb.)
Standard Warranty: 3-Years
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