Itw | Western Digital Hard Drive HDD 4TB 3.5-inch 256MB Cache SATA Internal (WD43PURZ)

The Right Drive for Smart Video Surveillance

> WD Purple® drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive WD AllFrame™ technology helps reduce frame loss and improve overall video playback.

Industry-Leading Storage. Surveillance You Can Trust.

> Western Digital has provided surveillance-grade storage for more than a decade. With WD Purple® surveillance storage, drives are engineered for high temperature, always on surveillance systems so you can rely on quality video when you need it most. WD Purple delivers smart video storage that you can trust and are backed by a 3-year limited warranty.

Western Digital’s Exclusive WD AllFrame™ Technology

> All WD Purple® drives are equipped with AllFrame™ technology, which helps reduce video frame drops and improves video recording and playback.

Enhanced Workload Ratings

> WD Purple® drives 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. WD Purple® drives support up to 64 single-stream HD cameras. Modern recorders now support multiple video streams per camera. Select WD Purple® drives support up to 64 single-stream HD cameras. With so many options, you have the flexibility to upgrade or expand your security applications in the future.

Designed for Reliable Operation

> Engineered for reliability with an MTBF of up to 1 million hours8 and backed with a 3-year limited warranty, WD Purple® drives feature tarnish-resistant components and support for storage systems with up to 16 drive bays. WD Purple® hard drives are designed with RAID error recovery control to help reduce failures in supported video recorders.

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.

Specification

* Model Number: WD43PURZ

* Formatted Capacity: 4TB

* Form Factor: 3.5-inch

* Advanced Format (AF): Yes

* Recording Technology: CMR

* Interface: SATA 6Gb/s

* RoHS compliant: Yes

Product Features

* Cameras supported: Up to 64 HD

* Maximum Drive Bays Supported: 16

* Firmware Feature Name: AllFrame

* Tarnish resistant components: Yes

* RV Sensors: Yes

Performance

* Interface transfer rate (max)

> Buffer to host: 6 Gb/s

> Host to/from drive (sustained): 180MB/s

* Cache (MB): 256

Realibility/Data Integrity

* Load/unload cycles: 300,000

* Annualized workload rating: 180TB/yr

* Non-recoverable read errors per bits read:

* MBTF: 1,000,000

Power Management

* Average Power Requirements (W)

- Read/Write: 4.7

- Idle: 4.3

- Standby and Sleep: 0.3

Environmentak Specifications

* Temperature (°C, on the base casting)

- Operating: 0 to 65

- Non-operating: -40 to 70

* Shock (Gs)

- Operating (2 ms, read/write): 30

- Operating (2 ms, read): 65

- Non-operating (2 ms): 250

* Acoustics (dBA)

- Idle: 23

- Seek (average): 27

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

*** Reminders:

1. Take a video of yourself while unboxing the parcel. This would serve as proof if you have concerns with the parcel.