PCIe & USB Expansion Fulfillment Calculator

Calculate theoretical bandwidth requirements, detect bottlenecked multi-port cards & USB docks, and find the minimum PCIe or USB host specs needed for 100% capacity.

1. Hardware Configuration PORT BUILDER


100% (Worst-case Peak)
2. Bandwidth Analysis & Matrix DIAGNOSTICS
TOTAL PORT DEMAND 0.00 GB/s 0.00 Gbps
TARGET SLOT / PORT CAPACITY 0.00 GB/s PCIe 3.0 x1
Target Slot Load: No Demand (0.0% Saturated | 100.0% Free)
Add ports to calculate fulfillment diagnostics.
MINIMUM RECOMMENDED HOST SPECIFICATION (100% Full Unthrottled Speed) PCIe 1.0 x1
Gen \ Lanes x1 x2 x4 x8 x16
Spec USB 1.1 USB 2.0 USB 3.0 USB 3.2 USB4 20G USB4 40G TB5 80G