HDD4TB-D, 4Tb Surveillance Hard DriveTrust this massive 4 terabyte WD Purple surveillance hard drive to record your home, office or business security footage. This surveillance HDD is ideal if you are looking to upgrade your existing hard drive or add an additional hard drive to your system. It can reliably save days, weeks, even months of HD security footage. Designed for use with either DVR or NVR security systems.4TERABYTEMaximum storage capacity24 HRRECORDINGDesigned for constant operation32CAMERASRecords up to 32HD individual camerasDVR/NVRCOMPATIBLEWorks with both analog and digital systemsReliable storage you can count onDon't worry, your 4TB WD Purple surveillance hard drive can handle your monitoring storage needs. It is power efficient and reliable. AllFrame technology improves errors, pixilation and video interruptions to ensure clear, stable footage.Surveillance vs. traditional hard drivesTraditional desktop hard drives are not designed to run continuously, recover from errors optimally and often have limited power backup or no power backup at all. Your WD Purple surveillance hard drive, on the other hand, can run optimally 24/7. It also uses less power to run than your typical household hard drive. This ensures that they will not put any strain or compromise the performance of your recorder.Optimized for all types of security systemsYour WD Purple security HDD is optimized to support all sizes of monitoring systems. This includes a small two camera set-up all the way up to a massive 32 camera system. This surveillance hard drive will provide you with the peace-of-mind to safely add cameras when and where you need them most.Seamless analog and digital system integrationYour digital video recorder (DVR) and network video recorder (NVR) can fluctuate in temperature and have various levels of vibrations. Since these drives are built to withstand such environments, you can rest assured that this NVR or DVR hard drive will not skip a beat (let alone crash) as a result of your recorder running.HDD4TB-D4 Terabyte Suveillance Hard Drive Features:Capacity - 4TBType - SATA / Serial ATASATA 6Gb/sCapable of operating under drive case temperatures of up to 65°CSupports up to 32 HD camerasEngineered specifically for surveillance security systems.Reduced video frame loss.Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications.Prioritized write-operations for maximized surveillance performance.TLER & ATA streaming support.Support for up to eight drives.