Western Digital Purple NV 4TB 5400RPM SATA 6Gbps 64MB Cache 3.5-inch Hard Drive

Western Digital offers you the Power of Choice when it comes to equipping a surveillance system for your home or business with the addition of the Western Digital Purple NV hard drive. Designed specifically for NVR digital surveillance systems, the WD Purple NV hard drive adds support for systems with higher drive bay configurations and up to 64 HD Cameras. The increased number of video streams and workload capability offered with the Western Digital Purple NV hard drive allows you to scale beyond the limitations of DVR systems where only the WD Purple drive is applicable