Unifi Camera Calculator
Estimate Storage Requirements and Bandwidth for Unifi Protect Systems
Required Storage Capacity
0 Mbps
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0 GB/day
Estimated Storage Growth Over Time
What is a Unifi Camera Calculator?
A unifi camera calculator is an essential planning tool for anyone deploying a Ubiquiti Protect surveillance network. Whether you are setting up a single G5 Flex or a massive enterprise-grade deployment with AI Pro cameras, calculating the storage needs and network bandwidth is critical. This unifi camera calculator helps you determine exactly how much hard drive space you need and whether your network infrastructure can handle the video streams.
Security professionals and IT managers use the unifi camera calculator to avoid the common pitfall of running out of disk space before the required retention period. Without an accurate unifi camera calculator, you might find your NVR overwriting important footage just when you need it most.
Unifi Camera Calculator Formula and Mathematical Explanation
The math behind our unifi camera calculator relies on video compression standards (H.264/H.265) and bitrate estimations. The primary formula used is:
Total Storage (GB) = [ (Bitrate per Camera in Mbps / 8) × 3600 × 24 × Retention Days × Number of Cameras × Motion Factor ] / 1024
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Bitrate | Data produced by the camera per second | Mbps | 2 – 16 Mbps |
| Retention | Duration to keep the video files | Days | 7 – 90 Days |
| Motion Factor | Percentage of time recording is triggered | Decimal | 0.1 – 1.0 |
| FPS | Frames captured per second | FPS | 15 – 60 FPS |
Practical Examples (Real-World Use Cases)
Example 1: Small Home Office
A user has 4 Unifi G5 Bullets (2K resolution) and wants 30 days of retention with continuous recording.
Inputs: 4 Cameras, 2K Resolution, 24 FPS, 30 Days, 100% Motion.
Using the unifi camera calculator, we find they need approximately 5.8 TB of storage. A 8TB WD Purple drive would be ideal here.
Example 2: Retail Store
A retail store uses 10 Unifi G4 Pro cameras (4K resolution) but only records when motion is detected (estimated 40% of the day). They need 14 days of history.
The unifi camera calculator estimates 3.2 TB of storage. A Unifi Cloud Key Gen2 Plus might be tight, but a UNVR would handle this easily.
How to Use This Unifi Camera Calculator
- Enter Camera Count: Input the total number of cameras you plan to manage in your Protect application.
- Select Resolution: Choose the resolution that matches your highest-density cameras (e.g., 4K for Pro models).
- Set FPS: Adjust the frames per second. Higher FPS means smoother video but higher storage needs.
- Define Retention: Enter the number of days you are legally or operationally required to keep footage.
- Adjust Motion: If you use “Always Record,” keep this at 100%. If you use “Record on Motion,” estimate the traffic.
- Review Results: The unifi camera calculator instantly updates the TB required and bandwidth usage.
Key Factors That Affect Unifi Camera Calculator Results
- Codec Efficiency: Newer Unifi cameras use H.265 compression, which is significantly more efficient than H.264 used in older G3 models.
- Scene Complexity: A camera facing a busy street creates larger files than one facing a static wall because of how compression algorithms handle movement.
- Low Light Conditions: Sensor noise in the dark can be interpreted as motion/detail, often increasing the bitrate and storage consumption.
- High Dynamic Range (HDR): Enabling HDR can slightly increase the processing overhead and bitrate for certain Unifi models.
- RAID Overhead: If using a UNVR or UNVR-Pro, remember that RAID 1, 5, or 10 will reduce your “usable” storage compared to the raw drive capacity.
- Network Congestion: High bandwidth requirements (calculated by the unifi camera calculator) may necessitate a dedicated VLAN or 10Gbps SFP+ uplink for the NVR.
Frequently Asked Questions (FAQ)
How accurate is this unifi camera calculator?
It provides a high-precision estimate based on standard bitrates. Actual results may vary by 10-15% depending on specific scene details and lighting.
Does the UNVR support RAID?
Yes, the UNVR supports RAID 1 and RAID 5, while the UNVR Pro supports RAID 1, 5, and 10. This unifi camera calculator shows usable storage needed.
Can I use any hard drive in Unifi Protect?
It is highly recommended to use Surveillance-grade drives like WD Purple or Seagate Skyhawk which are designed for 24/7 write cycles.
What happens when the storage is full?
Unifi Protect automatically deletes the oldest footage to make room for new recordings, maintaining your configured retention if space allows.
Is 4K recording worth the storage cost?
4K provides much better digital zoom capabilities, but as shown in the unifi camera calculator, it consumes roughly 2-3x more space than 1080p.
How much bandwidth does a 4K Unifi camera use?
Typically between 8Mbps and 16Mbps depending on the frame rate and quality settings.
Does frame rate affect storage linearly?
Mostly, yes. Dropping from 30 FPS to 15 FPS can nearly halve your storage requirements in many scenarios.
Can I mix different camera resolutions?
Yes. For a mixed environment, use the unifi camera calculator by taking an average resolution or running the calculation for each group and adding them up.
Related Tools and Internal Resources
- Unifi NVR Comparison Guide: Detailed look at UNVR vs UNVR Pro vs Cloud Key.
- Best Hard Drives for Protect: Top-rated surveillance drives for your system.
- Unifi Network Setup: How to configure your switches for high-traffic video.
- Camera Placement Tips: Optimize your field of view and motion detection.
- PoE Switch Calculator: Ensure your switch has enough power budget for your cameras.
- Unifi Protect vs Blue Iris: A comparison of the most popular NVR software options.