Select CPU Low Power CPU (65W)Mid-Range CPU (95W)High-End CPU (125W)Enthusiast CPU (150W) Select GPU Entry Level GPU (75W)Mid-Range GPU (150W)High-End GPU (220W)Premium GPU (320W)Flagship GPU (450W) Number of RAM Sticks Number of Drives Number of Case Fans RGB/LED Wattage Calculate Reset Total System Wattage: Minimum PSU Wattage: Recommended PSU Wattage: Efficiency Rating Suggestion: Choosing the … Read more
CPU Watts GPU Watts Motherboard Watts RAM Watts Storage Watts Fans & Cooling Watts Other Components Watts Calculate Reset Total System Watts: Recommended PSU: System Load Percentage: Components Breakdown: Every computer requires a reliable source of electrical power to operate efficiently. Whether you are building a gaming PC, upgrading hardware, designing a workstation, or troubleshooting … Read more
Power (Watts) Current (Amperes) Voltage Rail Custom Calculation+12V Rail+5V Rail+3.3V Rail Calculate Reset Calculated Voltage: Power: Current: Formula Used: Understanding electrical values inside a computer system is important for PC builders, technicians, overclockers, and hardware enthusiasts. Every component in a computer operates using electrical power delivered through specific voltage levels. A PC Voltage Calculator helps … Read more
CPU Power Draw (Watts) GPU Power Draw (Watts) Motherboard (Watts) RAM (Watts) SSD/HDD (Watts) Cooling System (Watts) Additional Components (Watts) Calculate Reset Total Power Draw: Minimum PSU Required: Recommended PSU: PSU Efficiency Target: When building, upgrading, or troubleshooting a computer, understanding how much power the system draws is essential. Every component inside a PC consumes … Read more
Processor Power (Watts) Graphics Card (Watts) Memory Modules (Watts) Storage (Watts) Peripherals (Watts) Hours Used Per Day Electricity Cost (per kWh) $ Calculate Reset Total Power Draw: Daily Energy Usage: Monthly Energy Cost: Yearly Energy Cost: Computers have become an essential part of daily life for work, gaming, education, content creation, and entertainment. While modern … Read more
CPU TDP (Watts) GPU TDP (Watts) RAM Sticks Storage Drives Cooling Fans Other Devices (Watts) Calculate Reset Total Power Consumption: Recommended PSU Wattage: Power Breakdown: Building or upgrading a computer requires careful planning, especially when selecting a power supply unit (PSU). One of the most common mistakes made by PC builders is choosing a power … Read more
CPU TDP (Watts) e.g., Intel i7 = 125W, AMD Ryzen 7 = 105W GPU TDP (Watts) e.g., RTX 4070 = 200W, RTX 4090 = 450W Number of RAM Sticks Number of Storage Drives Number of Fans Additional Peripherals (Watts) RGB, Water cooling, etc. Calculate Reset Recommended PSU Wattage Total System Wattage Minimum PSU Required Headroom … Read more
Processor (CPU) Wattage Graphics Card (GPU) Wattage Motherboard Wattage RAM Total Wattage Storage Devices Wattage Cooling System Wattage Peripherals & Other Wattage Calculate Reset Total Computer Wattage: Peak Wattage (with overhead): Suggested PSU Wattage: Understanding how much electricity a computer system consumes is extremely important for performance, stability, hardware safety, and energy efficiency. Modern computers … Read more
Computer Power Rating (Watts) Hours Used Per Day Days Used Per Month Electricity Cost Per kWh $ Calculate Reset Daily Consumption: Monthly Consumption: Yearly Consumption: Monthly Cost: Yearly Cost: Computers have become an essential part of daily life for work, education, entertainment, gaming, content creation, and communication. From basic office desktops to high-end gaming systems … Read more
CPU TDP (Watts) Number of GPUs GPU TDP Each (Watts) Number of RAM Sticks Number of Storage Drives Number of Case Fans Liquid Cooling NoYes Calculate Reset Estimated Power Draw: Recommended PSU: * Recommended PSU includes 25% overhead for safety and efficiency A computer power supply is one of the most important components inside any … Read more