WD Western Digital 8TB Purple 5400 rpm SATA III 3.5″ Internal Surveillance Hard Drive.
The WD Western Digital 8TB Purple 5400 rpm SATA III 3.5″ Internal Surveillance Hard Drive from WD is designed to withstand the stresses placed on it in a 24/7, always-on, high-definition surveillance system with 8+ drive bays. With support for up to 64 high-definition surveillance cameras, this 8TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system. Furthermore, AllFrame 4K technology helps improve video capturing and reduces errors, pixelation, and video interruptions that could happen in a video recorder system.
A SATA III 6 Gb/s interface, sustained data transfer speeds of up to 213 MB/s, and a 256MB cache all help to ensure uninterrupted data transfers. Furthermore, the drive’s 300,000 load/unload cycles, annualized workload rating of 180TB per year, MTBF rating of 1 million hours, and <1 in 1014 non-recoverable read errors per bit read also help to ensure a strong operational life.
Uncompromising Storage
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 10TB & 12TB drives are designed to support Deep Learning analytics in AI capable NVRs, and feature an enhanced workload rating of up to 360TB/yr, and up to 16 AI channels for analytics within the system.
The Right Drive for the Job
WD Purple drives have been engineered specifically for the extreme demands of high temperature, 24/7 surveillance systems.
Expand Your View to 64
WD Purple drives are optimized to support up to 64 cameras, giving you flexibility to upgrade or expand your security system.
Performance You Can Trust
From a worldwide leader in the storage industry, WD Purple is engineered for quality video playback when you need it most.


Eunice Waweru –
Rated for a high annual workload, this drive is built to handle the constant write-intensive demands of modern surveillance, offering exceptional value for extensive video retention needs.