Western Digital Purple NV WD4NPURX 4TB 3.5" SATA 6.0Gb / s Hard Drive
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WD Purple NV
WD Purple NV Surveillance Storage
WD offers you the Power of Choice when it comes to equipping a surveillance system for your home or business with the addition of the WD Purple NV hard drive. Designed specifically for NVR digital surveillance systems, the WD Purple NV hard drive adds support for systems with higher drive bay configurations and up to 64 HD cameras. The increased number of video streams and workload capability offered with the WD Purple NV hard drive allows you to scale beyond the limitations of DVR systems where only the WD Purple drive is applicable.
NVR vs DVR
WD offers you the Power of Choice when it comes to equipping a surveillance system for your home or business with the addition of WD Purple NV. Designed specifically for scalable network video recorder (NVR) surveillance systems, WD Purple NV adds support for systems with higher drive bay configurations and up to 64 high-definition cameras. The expanded workload capability of WD Purple NV hard drives enables the ability to handle increased video streams, allowing you to scale beyond the limitations of DVR systems where only WD Purple is applicable.
Designed for higher temperatures and always-on surveillance environments, WD Purple NV hard drives expand support for higher hard drive bay configurations, systems utilizing up to 64 high-definition cameras, hardware vibration sensors and greater workloads per year when compared to WD Purple hard drives. Included with the increased support, WD Purple NV is also backwards compatible with DVR systems.
Support for High Camera count Systems
WD Purple NV hard drives are optimized to support systems utilizing high-definition surveillance cameras, giving you the flexibility to upgrade and expand your security system in the future. Higher storage capacities also allow you to store the surveillance footage for a longer period of time, especially in situations when every second counts. The specific number of cameras that can be supported will be dependent on a number of criteria including but not limited to; types and capability of cameras installed (resolution, frames per second, additional features) and the system's hardware and software capability.
Designed with tarnish resistant components, WD Purple NV hard drives offer premium protection in harsh environments where surveillance systems are commonly installed including outdoor cabinets where moisture and other natural elements may be present. This increased protection adds reliability to the hard drive over time, especially compared to desktop drives.
3-year limited warranty
WD Purple NV hard drives are backed by an impressive 3-year limited warranty (worldwide) giving you peace of mind that your precious surveillance footage is secure no matter where you are in the world.
Lower power consumption
Low power consumption is crucial in high-temperature always-on surveillance environments. With exclusive IntelliSeek technology, WD Purple NV hard drives calculate the optimum seek speeds which lowers power consumption, noise and vibration that can damage and cause drives to wear out more quickly, increasing reliability.
Optimized performance with AllFrame
Inherited from WD Purple, WD's exclusive AllFrame technology boosts write performance for WD Purple NV hard drives by working with ATA streaming commands to reduce frame loss and improve streaming playback. AllFrame also reduces video interruptions that commonly occur when desktop hard drives are incorrectly used as storage in security systems, especially in higher video stream count environments where additional data is being captured at an exponential rate. WD Purple NV with AllFrame provides the confidence you should expect when it's time to play back and review critical surveillance footage in larger surveillance configurations.
General Brand Western Digital Series WD Purple NV Model WD40PURX Highlights Western Digital Purple NV WD4NPURX Hard Drive, 3.5" Form Factor, 4TB (4000GB) Capacity, 64MB Cache, SATA 6.0 Gb/s Interface, IntelliPower Rotational Speed. Specifications Formatted Capacity 4 TB Form factor 3.5-inch Advanced Format (AF) Yes RoHS compliant Yes Performance Buffer to host 6 Gb/s Host to/from drive (sustained) 150 MB/s Cache 64 MB Rotational speed IntelliPower Reliability/Data Integrity Load/unload cycles 300,000 Non-recoverable read errors per bits read <1 in 1014 Limited warranty 3 years Power Management Average power requirements Read/Write : 4.80 W
Idle : 4.33 W
Standby and Sleep : 0.52 W
Environmental Specifications Temperature Operating : 0°C to 65°C
Non-operating : -40°C to 70°C
Shock Operating (2 ms, read/write) : 30 Gs
Operating (2 ms, read) : 65 Gs
Non-operating (2 ms) : 250 Gs
Acoustics Idle : 25 dBA
Seek (average) : 26 dBA
Physical Dimensions Height (in./mm, max) 1.028/26.1 Length (in./mm, max) 5.787/147 Width (in./mm, ± .01 in.) 4/101.6 Weight (lb./kg, ± 10%) 1.50/0.68