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Internal Hard Drives

Surveillance recorders write footage around the clock, so they need a drive built for constant duty rather than an everyday desktop disk. This range carries WD Purple and Western Digital SATA hard drives from 500GB up to 8TB, sized for the DVR or NVR behind a home or business CCTV setup. Pick the capacity to suit how many cameras you run and how long you keep recordings.

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Surveillance Hard Drives for CCTV Recorders

Surveillance recorders write footage around the clock, so they need a drive built for constant duty rather than an everyday desktop disk that is meant to spin up and down through the day. Our range carries SATA surveillance hard drives sized for the DVR or NVR sitting behind a home or business CCTV setup, where the drive may be reading and writing at all hours without a break. Choosing a drive rated for this kind of continuous use helps keep recordings intact over the long term.

Capacities run from 500GB up to 8TB, listed on each product, so you can size the drive to how many cameras you run and how long you want to keep recordings before they overwrite. A smaller drive suits a handful of cameras and a shorter retention window, while the larger capacities hold more channels or a longer history of footage. The 3.5in SATA form connects to the recorder in the usual way, fitting the drive bays found in most DVR and NVR units.

These drives are built for the steady write load that comes with several cameras feeding a recorder at once, which is a different job from the occasional bursts a desktop disk handles. Working out your needs comes down to channel count and how many days of footage you want on hand, then reading the capacity against the recorder's supported limit. Spare capacity gives you headroom if you add cameras later or lift the recording quality.

Match the capacity to your camera count and retention window, and check the figure on each product before you fit it. Free UK delivery over £99, with worldwide shipping available.

Frequently Asked Questions

What capacities are available?
Capacities run from 500GB up to 8TB, with the figure listed on each product. Size the drive to how many cameras you run and how long you want to keep recordings before they overwrite, allowing some headroom if you plan to add cameras later.

Why use a surveillance drive instead of a normal hard drive?
Surveillance recorders read and write at all hours, so the drive is built for constant duty rather than the occasional bursts an everyday desktop disk handles. A drive rated for continuous use helps keep recordings intact over the long term.

Will the drive fit my DVR or NVR?
These are 3.5in SATA drives that connect in the usual way and suit the drive bays found in most DVR and NVR units. Check your recorder's supported capacity limit before fitting, as some units cap the maximum drive size.

How much capacity do I need?
It comes down to channel count and how many days of footage you want on hand. More cameras and a longer retention window call for a larger capacity, so work back from both before choosing from the range.

Can I add a drive to a recorder that already has one?
Some recorders take more than one drive, depending on the model and its bays. Check how many drives your unit supports, then match the capacity here to the space available and the footage you want to keep.

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