WD Purple&nbsp;Pro drives are designed for advanced AI-enabled recorders, video analytics servers and deep learning solutions requiring additional capacity, performance and workload capability.<p>Compatibility</p><ul><li>Up to 64 single-stream cameras</li></ul><p>Product Features</p> Engineered for advanced AI-enabled recorders, video analytics appliances, deep-learning servers, and cloud-based storage, including RAID and JBOD Designed with tarnish-resistant components for harsh environments and with additional robustness for multi-bay enclosures Supports up to 550TB/yr workload rate HD capacity 18 TB HD type Hard Disk Brand WD Interface type SATA Hard drive form factor 3.5 Disk rotation speed 7200 rpm Rec. use Surveillance Manufacturer Western Digital Model name WD181PURP Model WD181PURP Cache memory 512 MB Dimensions 5.80 x 4.00 x 1.00 Weight 1.5 lb Compatible models Canon, Nikon, Pentax, Olympus, Minolta, Leica Compatibility Up to 64 single-stream cameras Retail packaging Single Piece