WD Purple 4TB Surveillance Hard Disk Drive – 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURX

**WD Purple 4TB Surveillance Hard Disk Drive (WD40PURX)**
Optimized for 24/7 surveillance systems, this 3.5-inch HDD offers 4TB storage, 5400 RPM speed, and SATA 6Gb/s interface with 64MB cache. Built for reliability, it supports up to 64 cameras simultaneously using AllFrame technology to minimize video interruptions and frame loss. Engineered for high workloads in always-on environments, it ensures smooth recording, reduced pixelation, and enhanced durability. Unique features include compatibility with AI-enabled security systems, vibration resistance for multi-drive setups, and a 3-year warranty. Ideal for home or business surveillance, it prioritizes data integrity and long-term performance.