1. What is a Power Supply Calculator?

Definition: This calculator estimates the recommended power supply unit (PSU) wattage based on your computer components, using Corsair's calculation method.

Purpose: It helps PC builders select an appropriately sized PSU for their system configuration.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_{supply} \) — Recommended PSU wattage (watts)
• \( P_{component} \) — Power consumption of each component (watts)
• 1.2 — 20% overhead factor for efficiency and future upgrades

Explanation: The calculator sums all component power requirements and adds a 20% safety margin.

3. Importance of Proper PSU Sizing

Details: An appropriately sized PSU ensures system stability, prevents crashes, improves efficiency, and allows for future upgrades.

4. Using the Calculator

Tips: Enter wattage for each component. Default values are provided for RAM (15W), storage (10W), and other components (30W).

5. Frequently Asked Questions (FAQ)

Q1: Why the 20% overhead?
A: The 20% buffer accounts for power spikes, efficiency losses, and future upgrades.

Q2: Where can I find my component wattages?
A: Check manufacturer specifications or use tools like OuterVision PSU Calculator.

Q3: Should I round up to available PSU sizes?
A: Yes, choose the next available standard PSU wattage (e.g., 550W, 650W, 750W).

Q4: Does this account for overclocking?
A: No, add 10-20% more wattage if you plan to overclock your CPU or GPU.

Q5: Is this calculator specific to Corsair PSUs?
A: While based on Corsair's methodology, it works for any quality PSU brand.