WD40PURX Western Digital Purple 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Surveillance Hard Drive

The Western Digital Purple hard drive is engineered for continuous video recording in demanding security environments. Built with advanced reliability features, it delivers smooth, uninterrupted playback and effortless integration with most surveillance systems. Its optimized firmware reduces wear and heat, ensuring long‑term stability even when multiple cameras are streaming simultaneously. Designed for easy installation in standard 3.5‑inch bays, this drive offers quiet operation and low power consumption, making it ideal for both small businesses and large enterprises seeking dependable, high‑capacity storage for critical footage.