WD Purple 1TB SATA 6Gb/s HDD 3.5inch internal 64MB Cache

Large storage, surveillance you can trustWestern Digital has provided surveillance-grade storage for more than a decade. With WD Purple surveillance storage, drives are engineered for high temperature, always on surveillance systems so you can rely on quality video when you need it most.Western digital's exclusive WD AllFrame technologyAll WD Purple drives are equipped with AllFrame technology, which helps reduce video frame drops and improves video recording and playback.Enhanced workload ratingsWD Purple drives feature a workload rating of up to 180 TB/year - up to three times that of desktop drives - to handle the unique demands of mainstream video surveillance DVR and NVR systems.Multiple cameras, multiple streamsModern recorders now support multiple video streams per camera. WD Purple drives support up to 64 single-stream HD cameras. Modern recorders now support multiple video streams per camera.Designed for reliable operationEngineered for reliability with an MTBF of up to 1 million hours, WD Purple drives feature tarnish-resistant components and support for storage systems with up to 16 drive bays. WD Purple hard drives are designed with RAID error recovery control to help reduce failures in supported video recorders.