Estimate Your Recording Storage Needs

The amount of storage required for a CCTV system depends on:

• Number of cameras
• Camera resolution (2MP, 4MP, 5MP, 8MP/4K)
• Recording hours per day
• Video compression (H.264, H.265)
• Retention period (7, 15, 30, or more days)

Approximate Storage Requirements (H.265 Compression)

Quick Examples

📹 4 × 2MP Cameras

• 24/7 Recording
• 30 Days Retention
• Recommended HDD: 2TB

📹 8 × 4MP Cameras

• 24/7 Recording
• 30 Days Retention
• Recommended HDD: 6TB–8TB

📹 16 × 4MP Cameras

• 24/7 Recording
• 30 Days Retention
• Recommended HDD: 12TB–16TB

Storage Saving Tips

✅ Use H.265 video compression
✅ Enable motion-based recording instead of 24/7 recording
✅ Adjust frame rate where appropriate
✅ Use larger surveillance-grade hard drives

Need an Exact Calculation?

Send me:

1. Number of cameras
2. Camera resolution (2MP, 4MP, 5MP, 8MP)
3. Recording mode (24/7 or motion detection)
4. Days of storage required

I can calculate the exact HDD size you need for your CCTV system.

Live Tech BD provides CCTV installation, storage planning, NVR/DVR setup, and maintenance services throughout Barishal Division.

📞 Contact: 01751 980473

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