Western Digital WD Purple 4TB Surveillance Hard Drive - SATA 3.5"

The WD Purple surveillance hard drive is a robust solution engineered specifically to meet the demanding requirements of continuous, always-on surveillance systems. Designed to perform in write-intensive, low bit-rate environments with many simultaneous video streams, it leverages WD’s AllFrame™ technology to minimize frame loss and ensure smooth, reliable video recording across multiple cameras. Supporting up to 180 TB/year workload rate — a measure of the total data transferred to and from the drive, normalized over its powered-on time — this drive delivers exceptional endurance for 24/7 monitoring. Whether in small businesses or mid-scale surveillance deployments, this drive’s architecture ensures consistent performance and prolonged reliability under heavy video capture loads.