WD HDD 3.5" Internal SATA 4TB Purple, Variable RPM, 3 Year Warranty - WD40PURZ

WD HDD 3.5" Internal SATA 4TB Purple, Variable RPM, 3 Year Warranty - WD40PURZ WD Purple - Built for 24/7, always-on, high-definition security systems. With a supported workload rate of up to 180 TB/yr and support for up to 64 cameras, WD Purple drives are optimized for surveillance systems. WD Purple drives have been engineered specifically for surveillance, so they're able to withstand the extreme heat fluctuations and equipment vibrations within an DVR environment. WD is a worldwide leader in the hard drive industry. With WD Purple surveillance storage, you have a drive engineered for high temperature. WD Purple drives are optimized to support up to 64 HD cameras. With so many options, you have the flexibility to upgrade or expand your security system in the future. WD Purple hard drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system.