21Relay utility
Node Bandwidth Estimator
Estimate initial block download and ongoing network use across low, typical and high-use node scenarios.
Detail level
Guided mode keeps the decision focused. Advanced mode reveals extra assumptions.
Keep in mind: Pruning reduces stored data, but a new pruned node still downloads and validates historical blocks during initial sync.
Node connection plan
Estimated data use
Initial download
799 GB
Includes protocol overhead allowance
Monthly download
30 GB
Optional monthly upload
120 GB
Within entered allowance
Internet-plan guidance
Usually manageable
low
↓ 12 GB · ↑ 20 GB/month at 24/7 uptime
typical
↓ 30 GB · ↑ 120 GB/month at 24/7 uptime
high
↓ 75 GB · ↑ 600 GB/month at 24/7 uptime
Methodology, data and limits
Data source: Blockchain.com Blockchain Size chart. No successful update is currently stored.
- Pruning reduces stored data, but a new pruned node still downloads and validates historical blocks during initial sync.
- Ongoing traffic varies substantially with peer count, upload limits, indexes and services.
- Scenario values are planning ranges, not measured promises for your configuration.
Related utilities
Connected workflow
Prepare a Bitcoin node
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21Relay utilities are educational planning tools, not financial, tax or investment advice. Verify important decisions independently.
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