Seagate SkyHawk, 4 TB, Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 64 MB Cache for DVR NVR Security Camera System, and Three-year Rescue Services, Silver (ST4000XV007)

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through 3TB (WD30PURZ) support up to eight bays; 3TB (WD33PURZ) and 4TB and above support up to 16 bays. NAShard drives are specially designed for reliable, high volume, cool and quiet, 24/7 operation. They offer optimum compatibility and are perfect for home users, small offices or even larger companies looking to store high volumes of data in one location. With an MTBF of up to 1 million hours 3, WD Purple drives are engineered for mainstream surveillance DVRs and NVRs that operate 24/7. With tarnish-resistant components 7 and support in storage systems with more than eight drive bays 4, WD Purple drives deliver reliable operation even in harsh environments. ImagePerfect firmware is designed to ensure seamless video footage capture in 24x7 surveillance workloads that record video from 64 HD cameras With an MTBF of up to 1 million hours 3, WD Purple™ drives are engineered for mainstream surveillance DVRs and NVRs that operate 24/7. With tarnish-resistant components 3 and support for more than eight bays 4, WD Purple drives deliver reliable operation even in harsh environments.

WD Purple™ drives feature a workload rating of up to 180TB/year 2 - up to three times that of desktop drives - to handle the unique demands of mainstream video surveillance DVR and NVR systems. We sell a wide range ofhigh qualityenterprise HDD’sproduced by both Seagate (BarraCudaPro)and WD (Gold).With the huge variance in the Hard Drives available we thought we would make it simple, so have compiled a list of 4 models that cover different bases. We will be covering an all-rounder, a budget, a high end, and a simple option. An AV (Audio Visual) drive is basically a hard drive. But, unlike its standard HDD cousins, an AV is designed to be capable of streaming audio and video content 24 hours a day. They can also deliver a greater reliability than standard desktop drives. Here at Ebuyer.com you will find AV drives from both Seagate and Western Digital the leading brands in hard drive technology. The drives are available in both 2.5 inch and 3.5 inch form factors, with up to 6TB of storage. AV drives for surveillance There are only really two major types of Hard Drive for DVRs. Ones specifically designed for surveillance, and ones that are not. Although both of these would function fairly similarly, there are obvious differences. Details about the extent of our regulation by the Financial Conduct Authority are available from us on request. ATA streaming support enables recordings from up to 64 HD cameras for smooth, uninterrupted footage

To put it simply, the same as how a regular Hard Drive works. A Hard Drive is a storage device that can be either internal or external and uses magnetic storage to store digital data.

Despite what you might think, a DVR does not actually transfer video, it transfers raw footage that will be converted via Coaxial Cables into video. How Does a Hard Drive for CCTV DVR Work? Available in 2.5” and 3.5” drives giving you the ability to upgrade your PC, laptopand even your games console. Why you can trust Tom's Hardware Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test. million bytes, 1GB = 1 billion bytes, and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment. RV sensors built in allow drives to maintain performance in multi-bay systems, giving customers the flexibility to scale their systems when more storage is needed