Western Digital WD43PURZ 4TB Surveillance Hard Drive

Product Description

The WESTERN DIGITAL WD43PURZ is a 4TB surveillance-class hard disk drive engineered for continuous-duty recording environments. Unlike standard desktop drives, this unit is built to handle the high write loads generated by multi-channel video surveillance systems operating around the clock. It is designed for installation in digital video recorders, network video recorders, and standalone surveillance appliances where sustained sequential write performance and long-term reliability are the primary requirements. Security integrators, IT technicians, and professional AV installers are the typical end users for this class of drive.

This drive is suited for residential and commercial surveillance deployments where storage reliability under constant operation is critical. It fits single-drive DVR and NVR enclosures as well as small multi-bay surveillance arrays. Systems recording from multiple IP cameras or analog channels simultaneously benefit from a drive rated for this type of sustained workload. It is not intended as a general-purpose desktop or NAS drive, and should be installed only in surveillance-optimized enclosures or recorders.

Key Features

• 4TB storage capacity optimized for continuous surveillance recording workloads
• Designed for always-on DVR and NVR environments with high sustained write duty cycles
• Surveillance-class firmware tuned to reduce frame loss during multi-stream recording
• Standard 3.5-inch hard drive form factor for broad enclosure compatibility
• Sold as a single unit (each)

Compatibility

Designed as an OEM-style replacement or upgrade drive for surveillance recorders and NVR or DVR systems requiring a 3.5-inch SATA hard disk drive with surveillance-optimized firmware.

Installation Notes

Installation should be performed by a qualified technician familiar with data storage hardware and the specific recorder or enclosure manufacturer guidelines. Power down and disconnect the recording device fully before removing or installing any storage drive. Handle the drive by its edges and avoid contact with the circuit board to prevent electrostatic discharge damage. Follow the enclosure manufacturer mounting instructions and ensure all SATA data and power connections are fully seated before powering the system back on.