WD Purple Pro WD181PURP 18TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5″ Internal Hard Drive

The WD Purple Pro WD181PURP is a high-capacity 18TB surveillance-grade hard drive engineered for professional security systems and enterprise video storage. Operating at 7200 RPM with a substantial 512MB cache, it delivers superior performance for continuous 24/7 recording and playback. The drive features SATA 6.0Gb/s connectivity in a standard 3.5″ form factor, making it compatible with most surveillance DVRs and NVRs. Built specifically for video surveillance workloads, it supports up to 64 cameras simultaneously and offers enhanced reliability with a 2.5 million hour MTBF rating. The Purple Pro series includes AllFrame AI technology that reduces frame loss and improves video playback quality, while its optimized firmware handles the demanding write-intensive operations typical in security applications. With its massive storage capacity and surveillance-optimized design, this drive is ideal for large-scale security installations, smart cities, and enterprise surveillance networks requiring reliable, high-performance video storage.