Support for up to 64 cameras per driveAllFrameTM technologyUp to 16 AI channels for Deep Learning analytics on AI-enabled NVRs (8TB, 10TB, 12TB & 14TB capacities)MTBF of up to 1.5 million hours3-year limited warranty..

Surveillance storage for peace-of-mind2TB capacity3.5-inch internal hard drive64MB buffer size3-year limited warranty from service..

WD PURPLE 4TB SURVEILLANCE HARD DRIVESurveillance storage for peace-of-mind4TB capacity3.5-inch internal hard drive64MB buffer size3 years limited warranty from WD service center..