Western Digital WD43PURZ SATA Internal Hard Drive

The Western Digital WD43PURZ 4TB Purple Surveillance SATA internal hard drive is built for 24/7 surveillance storage, delivering continuous video recording and reliable data retention for security monitoring applications. With a 3.5-inch form factor and SATA III 6 Gb/s interface, this surveillance-optimized HDD is designed for internal mounting in DVRs, NVRs, CCTV systems, and commercial security platforms that require multi-camera streams and long-term recording. The WD43PURZ is engineered for steady operation in surveillance environments, ensuring continuous capture over extended periods and making it suitable for replacement drives or capacity upgrades carried out by maintenance teams, IT technicians, and security system integrators. Key specs include Brand WD, Part Number WD43PURZ, Storage Capacity 4TB, Form Factor 3.5 Inch, Interface SATA III 6 Gb/s, and Function: Continuous surveillance video storage; Application Type: CCTV and surveillance recording systems. Common applications include CCTV recording systems, network video recorders (NVRs), digital video recorders (DVRs), and residential or industrial security installations where continuous video capture is required.