Data Storage Calculator

Data Storage & Capacity Calculator

Calculate RAID array capacity, CCTV video storage requirements, and enterprise data growth

Net Usable Storage Capacity
38.00 TB
Raw Storage: 48.00 TB | Storage Efficiency: 79.2%
Usable Data (79%) Parity / Mirror (17%) Filesystem Reserve (4%)
Drive Fault Tolerance 1 Drive Max disk failures without data loss
Parity / Mirror Overhead 8.00 TB Dedicated to data protection
Read / Write Speed Factor 5× Read / 1× Write Theoretical IOPS / throughput multiplier
Binary Operating System Space 34.56 TiB Reported by Windows / Linux (Base 2)
Continuous = 24h, Motion = ~8-12h
Legal or operational archive window
Required NVR / VMS Storage
5.18 TB
Recommended Purchase: 1 × 6 TB or 2 × 4 TB Surveillance Drives
Daily Data Generation 172.8 GB / day Aggregated across all cameras
Aggregate Inbound Bitrate 16.0 Mbps (2.0 MB/s) Network switch ingress throughput
Per-Camera Storage Demand 648.0 GB / cam Total space per camera over 30 days
H.265 Savings vs H.264 ~5.18 TB Saved ~50% reduction in disk requirements
Industry average is ~15-25% annually
Projected Primary Storage in 3 Years
43.20 TB
Total Ecosystem Storage (with Backups): 129.60 TB
Net Data Added +18.20 TB Cumulative primary growth
Monthly Ingest Pace ~505 GB / mo Average monthly data accumulation
Backup Repository Footprint 86.40 TB Offsite, secondary, and snapshot tiers
Est. Monthly Cloud Egress/Storage $216 / mo Based on ~$0.005/GB cold/archive cloud