WD Purple 4TB Surveillence Hard Drive: 1 to 8-bay: 3.5-inch, SATA 6 Gb/s, Intellipower, 64MB Cache WD40PURX
Feature
- Built for always-on surveillance storage applications
- AllFrame technology for reduced pixilation and video interruption
- Designed to support up to 32 HD cameras
- Caching algorithms specifically designed for security surveillance operation
- 3 year limited warranty
- 4 TB capacity holds up to 800,000 digital photos, 1,000,000 MP3 files, and 300 hours of HD video.
Product Description
WD Purple Surveillance Storage.
WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.
Improve performance with AllFrame.
WD Purple surveillance-class hard drives are equipped with AllFrame technology which works with ATA streaming to reduce frame loss, improve playback and increases the number of drive bays supported. AllFrame reduces video interruptions that commonly occur when desktop hard drives are incorrectly used as storage in security systems. Missed frames and lost footage is a serious problem when an event occurs and surveillance footage needs to be retrieved. WD Purple with AllFrame provides the confidence you should expect when it's time to play back and review critical surveillance footage.
Key benefits:
- Reduces video frame loss with surveillance-class storage
- Specifically tuned for surveillance security systems
- Caching algorithms are tuned for write-intensive, low bit rate, high stream count applications that are typical of surveillance applications
- Priority change for write allocations and preemptive caching policies
- TLER & ATA streaming support
- Supports up to eight drives
Features
Engineered for compatibility - WD Purple surveillance hard drives are built for compatibility with industry-leading chassis and chip set manufacturers for seamless integration into your new or existing video surveillance system. Check out our compatibility selector to find out what surveillance drive is right for you.
Optimized performance for up to 32 HD cameras - WD Purple hard drives are optimized to support up to 32 high-definition surveillance cameras, giving you the flexibility to upgrade and expand your security system in the future.
Lower power consumption - Low power consumption is crucial in high-temperature always-on surveillance environments. With exclusive IntelliSeek technology, WD Purple drives calculate the optimum seek speeds which lowers power consumption, noise and vibration that can damage and cause desktop drives to wear out more quickly. When you invest in a premium surveillance-class drive you worry less while enjoying the benefits over a longer period of time.
Ideal for:
- Security systems that want 24/7 surveillance reliability
- Surveillance security systems using PVR, DVR, NVR recorders.
- Security applications that require reduce error pixilation and video interruptions
- Surveillance-class storage performance that use up to eight hard drives and up to 32 cameras.
Features at a glance
- Built for 24/7 surveillance environments
- AllFrame technology for better performance
- Designed to support up to 32 HD cameras
- Engineered for compatibility
You might also consider:
 Surveillance Storage Comparison Chart |  WD Purple |  WD Se |  WD Re |
| Built for personal, home office or small business surveillance systems using up to 32 cameras. | Optimal for small and medium business and enterprise surveillance systems, using up to 64 cameras. | Designed for medium to large business and enterprise surveillance systems, including mission critical applications, using unlimited cameras. | |
| Capacity | 3.5-inch – 1 TB up to 6 TB | 3.5-inch – 1 TB up to 4 TB | 3.5-inch – 250 GB up to 4 TB |
| Ideal For | Home / SOHO / SMB | SOHO / SMB / SME | SME / Large Enterprise |
| Mission Critical | No | No | Yes |
| Surveillance Bays Supported | 1-8 Surveillance Bays | 6+ Surveillance Bays | 6+ Surveillance Bays |
| Chassis Type Supported | Table-top | Table-top, Rack-mount | Table-top, Rack-mount |
| Number of Cameras | 1 to 32 | 1 to 64 | Unlimited |
| Interface | SATA | SATA | SATA or SAS |
| Firmware | AllFrame Technology | Enterprise-class Firmware | Enterprise-class Firmware |
Product Detail
- Product Dimensions: 5.8 x 4 x 1 inches; 1.61 pounds
- Shipping Weight: 1.61 pounds
- ASIN: B00IMPO5OW
- Item model number: WD40PURX
- Average Customer Review: Customer Reviews
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