WD64PURZ Purple 6TB Surveillance HDD 3.5 Inch SATA 5400RPM 256MB Cache

The Western Digital Purple WD64PURZ 6TB Surveillance Hard Drive is a purpose-built storage solution designed for the demanding requirements of modern video surveillance systems. With a generous 6TB formatted capacity, this 3.5-inch internal HDD provides substantial storage space for security camera footage, making it suitable for compatible Network Video Recorders (NVRs), Digital Video Recorders (DVRs), and surveillance recording systems.

Unlike standard desktop hard drives, which are generally designed for intermittent everyday computing workloads, WD Purple surveillance drives are engineered for the continuous recording demands of security environments. They are designed to operate in surveillance systems that record video around the clock, helping support reliable storage performance in applications where consistent recording and footage retention are essential.

The WD64PURZ combines surveillance-focused firmware, a SATA 6Gb/s interface, 5400RPM rotational speed, and a 256MB cache to provide a practical balance of storage capacity, performance, and reliability for compatible security systems.

Designed for 24/7 Surveillance Recording

Security cameras can generate continuous streams of video data throughout the day and night. A surveillance hard drive must be capable of handling sustained recording workloads while operating within the environmental conditions of an NVR or DVR enclosure.

The WD Purple WD64PURZ is designed specifically for surveillance applications, helping it meet the demands of continuous video recording. Its surveillance-oriented design supports the ongoing storage of security footage and is intended for use in systems where recording availability and dependable operation are important.

The drive is engineered to help withstand the elevated heat fluctuations and equipment vibrations that can occur within surveillance recording environments. This makes it a suitable storage component for compatible security systems operating continuously.

6TB Storage Capacity

With a formatted capacity of 6TB, the WD64PURZ offers ample storage space for recorded surveillance footage. The amount of video that can be retained depends on several factors, including the number of cameras, recording resolution, frame rate, compression technology, motion detection settings, and recording schedule.

A larger storage capacity allows users to retain footage for longer periods before older recordings are overwritten, depending on the configuration of the surveillance system. This can be especially useful for residential security, commercial premises, warehouses, offices, retail environments, and other applications requiring video history.

The actual usable capacity displayed by an operating system or recorder may differ from the manufacturer's stated capacity due to formatting and measurement conventions.

Surveillance-Optimised AllFrame Technology

The WD Purple range features exclusive AllFrame technology, which is designed to help improve video recording and playback performance in compatible surveillance systems. AllFrame technology helps reduce frame loss and supports smoother video playback by addressing the demands of surveillance video workloads.

Maintaining the integrity of recorded video is important for security applications. Lost frames or recording interruptions can affect the usefulness of surveillance footage, particularly when reviewing important events. The WD64PURZ's surveillance-focused firmware is designed to support the continuous recording environment for which the WD Purple product family is intended.

Support for Multiple HD Cameras

The WD64PURZ is specified to support up to 64 HD cameras, making it suitable for surveillance systems that manage multiple video streams. This capability is particularly relevant to NVR and DVR installations where several cameras record simultaneously.

The actual number of cameras supported in a particular installation depends on the recorder's capabilities, camera resolution, recording settings, network performance, and total system workload. The drive's specified camera support should therefore be considered alongside the specifications of the complete surveillance system.

SATA 6Gb/s Interface and 5400RPM Performance

The WD64PURZ uses a SATA 6Gb/s interface for connection to compatible internal storage systems. This interface provides a standard connection for supported NVRs, DVRs, desktop computers, and other compatible equipment.

Its 5400RPM rotational speed is suited to a storage design that prioritises surveillance recording and capacity. The drive also features a 256MB cache, which provides temporary data buffering to assist with storage operations.

The advertised transfer rate is up to 175MB/s, although actual transfer performance depends on the workload, drive conditions, connected hardware, and system configuration. Interface speed and maximum transfer rate should not be interpreted as a guarantee of sustained real-world performance in every installation.

CMR Recording Technology

The WD64PURZ uses Conventional Magnetic Recording (CMR) technology. CMR is a recording method that stores magnetic data tracks in a conventional arrangement, making it well suited to many storage workloads that require consistent writing and rewriting of data.

For surveillance applications, recording technology is an important consideration because security systems continuously write new footage and may overwrite older data as storage becomes full. The CMR design provides a suitable foundation for the drive's intended surveillance workload.

Reliability and Data Integrity

The WD Purple WD64PURZ is designed to provide dependable storage for security recording environments. It features surveillance-oriented engineering and components intended to support operation in compatible NVR and DVR systems.

The drive is specified with an annualised workload rating of 180TB per year and a load/unload cycle rating of 300,000. These specifications provide useful reference points when evaluating the drive for continuous recording applications.

The manufacturer also specifies a non-recoverable read error rate of less than 1 in 10^14 bits read and an MTBF figure of 1,000,000 hours. These are manufacturer reliability specifications and should not be interpreted as a guaranteed operating lifespan or a promise that drive failure will never occur.

Environmental and Mechanical Durability

Surveillance recorders may be installed in equipment cabinets, network racks, security rooms, or other areas where operating temperatures and vibration levels can vary. The WD64PURZ is designed for the surveillance environment and includes tarnish-resistant components.

Its specified shock ratings provide information about the drive's resistance to mechanical shock under defined testing conditions. As with all hard drives, careful handling, suitable mounting, and operation within the manufacturer's environmental specifications are important for reliable performance.

Compatibility and Installation

The WD64PURZ is a 3.5-inch internal hard drive intended for compatible storage equipment. Before purchasing, users should verify that their NVR, DVR, or other intended device supports:

• 3.5-inch internal SATA hard drives.
• The drive's storage capacity.
• The required SATA interface and connection arrangement.
• The recorder's supported surveillance HDD specifications.
• The available physical space and mounting requirements.
• The recorder's maximum supported number of hard drives and total storage capacity.

The drive is intended for installation inside compatible equipment and should be installed according to the recorder or computer manufacturer's instructions. Always ensure the system is powered off and disconnected from the mains before installing or replacing an internal hard drive, following the equipment manufacturer's safety instructions.

Product Features

• 6TB formatted storage capacity for surveillance video recording.
• 3.5-inch internal hard drive form factor.
• Western Digital Purple surveillance-class storage design.
• Designed for 24/7 video recording environments.
• SATA 6Gb/s interface for compatible equipment.
• 5400RPM rotational speed.
• 256MB cache.
• Conventional Magnetic Recording (CMR) technology.
• AllFrame surveillance firmware technology.
• Supports up to 64 HD cameras, subject to system compatibility.
• Supports up to 16 drive bays as specified.
• Annualised workload rating of 180TB per year.
• Tarnish-resistant components.
• RoHS compliant.

Technical Specifications

General

• Product Code: WD64PURZ
• Product Type: Surveillance Hard Disk Drive
• Brand: Western Digital
• Product Family: WD Purple
• Device Category: Internal Hard Drive
• Form Factor: 3.5-inch
• Formatted Capacity: 6TB
• Advanced Format (AF): Yes
• Recording Technology: CMR
• Interface: SATA 6Gb/s
• Rotational Speed: 5400RPM
• Cache: 256MB
• Maximum Transfer Rate: Up to 175MB/s

Surveillance Features

• Cameras Supported: Up to 64 HD cameras
• Maximum Drive Bays Supported: 16
• Firmware Feature: AllFrame
• Tarnish-Resistant Components: Yes
• Intended Use: 24/7 surveillance video recording.

Reliability and Data Integrity

• Load/Unload Cycles: 300,000
• Annualised Workload Rating: 180TB per year
• Non-Recoverable Read Errors per Bits Read: Less than 1 in 10^14
• MTBF: 1,000,000 hours
• Limited Warranty: 3 years, subject to manufacturer's warranty terms.

Environmental and Mechanical Specifications

• Operating Temperature: 0 C to 65 C
• Operating Shock, 2ms Read/Write: 30G
• Operating Shock, 2ms Read: 65G
• Non-Operating Shock, 2ms: 250G
• RoHS Compliant: Yes

Physical Dimensions

• Height: 26.1mm maximum
• Length: 147mm maximum
• Width: 101.6mm
• Weight: Approximately 0.57kg

Suitable Applications

The WD64PURZ 6TB Surveillance HDD is suitable for a variety of security and video recording applications, including:

• Home CCTV surveillance systems.
• Commercial security camera installations.
• NVR and DVR recording systems.
• Office and business security monitoring.
• Retail stores and shopping environments.
• Warehouses and industrial premises.
• Educational institutions and public facilities.
• Multi-camera surveillance installations.
• Long-duration video footage storage.

Why Choose the WD64PURZ?

The Western Digital Purple WD64PURZ provides a dependable storage foundation for compatible surveillance recording systems. Its 6TB capacity, surveillance-optimised firmware, CMR recording technology, and 24/7 operating design make it a suitable choice for customers who require dedicated storage for security camera footage.

Whether upgrading an existing NVR, expanding recording capacity, or installing a new compatible surveillance system, the WD64PURZ offers a practical combination of storage space and surveillance-focused features to support continuous video recording and footage retention.

What's in the box
1 x WD64PURZ Purple 6TB Surveillance HDD 3.5 Inch SATA 5400RPM 256MB Cache