Video storage calculator
Camera count, resolution, retention days: get the storage you need and the right UniFi recorder.
Suggested recorder : UNVR + 2 × UACC-HDD-E-8TB (8.0 TB usable)
Recorder + disks cost : $1,504
Estimate: real bitrates vary with scene, lighting and settings. One disk is reserved for redundancy. Current altea.io prices.
Get a quoteExamples by number of cameras
How it’s calculated
Storage = cameras × bitrate × duration. Bitrate depends on resolution and codec (H.265 cuts bitrate by about 40% versus H.264). With motion recording, only the share of time with activity is kept.
How many days to keep?
Law 25 recommends keeping only what’s needed. Many organizations choose 7 to 30 days. See our Law 25 and video surveillance guide.
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Updated 2026-11-05