WD Purple Surveillance Hard Drive - 4TB

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 (6TB¹ and 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 components³ and 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. 

Product Specifications

• Capacity: 4TB
• Form Factor: 3.5-Inch
• Connector: SATA
• Interface: SATA
• Transfer Rate: Up to 175MB/s
• Recording Technology: CMR
• Cache Size: 256MB
• Warranty: 3-Year Limited Warranty

Dimensions & Weight

• Dimensions (L x W x H): 147mm x 101.6mm x 26.1mm
• Weight: 570g

Environmental Conditions

• Operating Temperature: 0°C to 65°C
• Non-Operating Temperature: -40°C to 70°C

Certifications

• BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL

Product Features

• Engineered for mainstream surveillance systems
• WD AllFrame technology optimized for write-intensive, low bit-rate, high stream-count workloads typical in surveillance
• Supports up to 180TB/yr workload rate and up to 16 drive bays

Compatibility

• Supports up to 64 HD cameras
• Up to 16 drive bays
• AllFrame firmware technology