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DVR Hard Drive Storage Capacity

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DVR Storage Capacity Most newer DVRs from Q-See feature generous hard drive storage, to the tune of one or two terabytes (TB). In case you’re keeping score, a terabyte is equivalent to 1,000 gigabytes (GB). Some units may even allow for expansion to increase storage capacity further. Three major factors essentially dictate how much storage your system will need: how many cameras you have, their frame rate (fps), and their resolution.

Storage for HD and High FPS

When recording at high resolutions, be advised that large HD video files, especially at higher frame rates (30 fps or more), may eventually tax your unit’s storage capacity. Implementing motion-activated recording may minimize this. Higher frame rates ensure that your video will feature smooth, continuous motion that doesn’t miss a beat—or a detail. But that level of clarity and detail involves a lot of digital data, so you may wish to consider investing in additional storage media. Most DVRs are capable of supporting removable storage media, such as USB-connected external hard drives, thumb drives, micro SD cards, etc. Smaller DVRs from Q-See, capable of recording smooth, HD video at 30 fps and 720p resolution, include a 2 TB hard disk drive (HDD).

Storage for Large Surveillance Systems

Larger units, capable of handling—and recording—multiple feeds from numerous cameras, may feature hard drives with storage capacities of 3 TB or more. Some units may support upgrading to even greater storage capacities. For systems built around newer digital cameras, with upwards of 32 networked cameras, for example, network video recorders (NVRs) may include up to 8TB of hard drive space, with expansion slots for up to 24 TB of HDD storage.


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