WD Western Digital WD Purple 4TB Surveillance HDD - 3.5" 256MB Cache

Protect your property with the Western Digital WD Purple 4TB surveillance hard drive, built for nonstop video recording. Designed for 24x7 operation, this 3.5" SATA 6Gb/s drive tolerates the heat spikes and constant vibrations typical in NVR environments, keeping your system stable. AllFrame technology actively reduces frame loss, ensuring each captured moment remains clear and complete, even during long recording sessions. With a 180TB per year workload rating, the drive can sustain heavy write loads from multiple high-definition cameras without slowing down. The 256MB cache speeds data transfer, delivering smooth playback and quick access to stored footage. At 5400 rpm, the drive balances performance with energy efficiency, extending the life of your security setup. Backed by a three-year limited warranty, the WD Purple 4TB drive offers reliable, surveillance-class storage you can trust for any security system. The drive is tested for compatibility across a wide range of security systems, making installation straightforward for both new builds and upgrades. Its 256MB cache works with modern NVR software to reduce bottlenecks, while the 5400 rpm speed provides quiet operation suitable for office or home environments. Choose WD Purple for a proven solution that balances capacity, durability, and performance, giving you peace of mind that critical footage is safely stored.