The WD Purple Surveillance [WD64PURZ] hard drive is designed for use as data storage in a video surveillance system. It offers 6 TB of free space for storing video material from multiple streams simultaneously and can withstand 24/7 operation. The design of the drive is resistant to temperature changes and equipment vibration. AllFrame technology improves the stability of high-definition video transmission. The WD Purple Surveillance [WD64PURZ] hard drive connects via a wired SATA III interface and supports RAID technology, which allows you to create a storage system from several devices.