Data Center Bandwidth Calculator
Calculate network bandwidth, switch counts, and uplink capacity from server count and connectivity requirements.
Inputs
%
%
Results
Total access bandwidth (Gbps)
2,000
Aggregation bandwidth (Gbps)666.67
WAN uplink needed (Gbps)66.67
ToR switches needed5
Spine switches needed2
Bisectional bandwidth (Gbps)200
Monthly transfer (TB)194,400
Total server ports200
How to Use This Calculator
- Enter the number of servers and average bandwidth per server in Mbps.
- Set oversubscription ratio and external uplink speed.
- Review total internal bandwidth requirement and uplink utilization.
- Verify uplink capacity provides adequate headroom for peak traffic bursts.
- Use the output to size core switches, distribution switches, and WAN circuits.
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