Hikvision Disk Calculator

	1TB	2TB	3TB	4TB	6TB
3 fps	14 days	29 days	44 days	59 days	172 days
6 fps	11 days	22 days	33 days	44 days	125 days
9 fps	9 days	18 days	27 day	36 days	68 days
12 fps	7 days	14 days	22 days	30 days	55 days
15 fps	6 days	12 days	19 days	25 days	55 days
18 fps	5 days	11 days	17 days	22 days	45 days
25 fps	4 days	8 days	13 days	17 days	33 days

We have calculated the approximate size of the disk required for Hikvision CCTV systems. You can also use the Hikvision calculator to get a better idea of storage space at this link

This chart shows the approximate hard drive size required for 4, 2MP cameras using the H264 video compression and recorder set to record continuously 24/7. PFS stands for frames per second which is like pictures per second.

For H265 compression systems, the space required is halved. All NVR except DS-76xxNI-Ex and DS-71xxx now support H265 recording

	1TB	2TB	3TB	4TB	6TB
3 fps	15 days	30 days	46 days	61 days	92 days
6 fps	14 days	29 days	44 days	59 days	89 days
9 fps	8 days	16 days	24 days	32 days	48 days
12 fps	6 days	12 days	18 days	24 days	36 days
15 fps	4 days	9 days	14 days	19 days	29 days
18 fps	4 days	8 days	12 days	16 days	24 days
25 fps	2 days	5 days	8 days	11 days	17 days

This chart shows approximate hard drive size required for 4, 4MP cameras using the H264 video compression and recorder set to record continuously 24/7. PFS stands for frames per second which is like pictures per second .

For H265 compression systems, the space required is halved. All NVR except DS-76xxNI-Ex and DS-71xxx now support H265 recording

FPS Explained

Watch the video to see what different Frame rates mean in reality.

Hikvision Disk Calculator

Hikvision Disk Calculator

FPS Explained

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