WD 2TB Purple SATA Surveillance Hard Drive, Up to 175MB/s Transfer Rate, 3.5″ From Factor, 256MB Cache Size, CMR Technology | WD20PURZ

WD Purple Surveillance Hard Drive Uncompromising Surveillance Storage WD Purple drives are designed to meet the challenges of 24×7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive AllFrame™ technology helps reduce frame loss and improve overall video playback. Industry-Leading Storage. Surveillance You Can Trust Western 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 AllFrame™