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Smart Wizard

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Build Comparison

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Part Comparison

Check specs, price, and value across parts.

Bottleneck Calculator

Measure CPU and GPU balance before you buy.

Power Calculator

Estimate wattage and PSU headroom.

Will It Run?

Test your hardware against popular games.

Price Trends

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  1. Home>
  2. Power Calculator

Tools

Power Calculator

Estimate system wattage from CPU/GPU TDP data plus practical allowances for RAM, storage, cooling, and accessories.

This is a client-side estimate. Real-world spikes and transient loads can still vary by workload.

Drive types

Assign a type to each storage device.

1 drive

Power Consumption

104W

Estimated: 104W -> Recommended PSU: 150W (add ~30% headroom)

16% of 650W

Motherboard

Platform baseline estimate

50W

RAM

2 modules x 5W

10W

Storage

NVME x1

10W

CPU Cooler

Air cooler estimate

5W

Case Fans

3 fans x 3W

9W

Other Overhead

USB, lighting, controllers, transient headroom

20W

PSU load

104W / 650W

No PSU selected, using 650W referenceHealthy margin

Next step

Pick a PSU with room to spare

Start browsing from 150W and compare efficiency, modularity, and price.

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