Newegg's PSU calculator simplifies the PC building process by taking the guesswork out of selecting the right components. It helps you avoid the risk of underpowering or overpowering your PC.

Enter your system specifications below and see how well your components work together. Our Bottleneck Calculator will help you identify any hardware mismatches, so you can optimize your …

Home / PSU Calculator Power Supply Calculator Accurately determine the power supply requirements for your PC build. Input your components to get precise wattage recommendations, ensuring optimal …

Analyze your PC's performance with the Bottleneck Calculator. Identify CPU and GPU bottlenecks to optimize your gaming and productivity experience.

Use our free PC Bottleneck Calculator to analyze CPU and GPU performance, fix system bottlenecks, and build a balanced gaming PC for maximum FPS.

Use a PC bottleneck calculator to find performance limits. Identify CPU/GPU issues, make smart upgrades, and boost your PC's speed and balance. Avoid guesswork.

Is your PC lagging? Use our Bottleneck Calculator to analyze your CPU and GPU, find weak spots, and get upgrade suggestions to boost performance.

Build your custom PC online. Choose compatible parts, calculate performance instantly, and compare prices from Amazon with PCSpecChart.

Use our PC Bottleneck Calculator to analyze CPU and GPU compatibility instantly and optimize your gaming or work PC build.

Find the perfect power supply unit (PSU) for your computer system with our accurate PSU calculator. Determine the ideal wattage based on your components and calculate power requirements for …