Description :WD Purple Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system.WD Purple's exclusive upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems.WD Purple Storage is built for 24/7, always-on, high-definition security systems that use up to eight hard drives and up to 32 cameras.Choose a drive that is designed and engineered for home and business systems and enjoy the peace-of-mind you can get from a -class hard drive.Features :Protect your home and business with WD Purple hard drives WD Purple storage is built to handle up to 32 HD cameras per drive and is designed for 24/7, always on, high-definition security systems that use up to eight hard drives.Engineered for compatibility WD Purple hard drives are built for compatibility with industry-leading chassis and set manufacturers for seamless integration into your new or existing video system.storage for peace-of-mind WD Purple hard drives are designed for high temperature, always-on, security systems to ensure reliability and quality video play back when you need it mostOptimized performance for up to 32 HD cameras With for up to 32 high-definition cameras per hard drive, WD Purple gives you the flexibility to upgrade and expand your securitySpecification :Name: WD PurpleModel: WD10PURXHard drive type: HDD (hard disk drive)Hard disk size:1TBForm factor:3.5inchRPM: 5400Hardware interface: SATA 6Gb/sRPM: IntelliPowerCache memory: 64MBcamera: Up to 32Item size: 147x101.6x26.1mmItem weight: 450gPackage includeds :1 x WD Purple 1TB 3.5inchSurveillanceHDD