Power Supply Calculator

Deal of the Day

PSU Calculator Updates



eXtreme Power Supply Calculator



Real Power Consumption

eXtreme Power Supply Calculator is the most accurate PC power consumption calculator available and is trusted by computer enthusiasts, PC hardware and power supply manufacturers across the Globe. Are you building a modern gaming PC, low power HTPC media server, or maybe you need to figure out power requirements for a rack in a data center? We've got you covered - eXtreme PSU Calculator will help you to select a suitable power supply unit and even Uninterruptible Power Supply (UPS) for your system.

Video Card Overclock

Basic version of the eXtreme Power Supply Calculator allows users to quickly estimate power consumption with minimal selection of PC parts. On the other hand, our Expert, more advanced version of the PSU Calculator greatly extends the ability to select various PC parts and components, adds CPU and highly anticipated Graphics card overclocking!
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CPU count applies only if the system has more than 1 physical CPU.
CPU Speed
MHz
CPU Vcore
V

X
FB DIMMs?
X
FB DIMMs?
X
(SLI / CF)
Core Clock
MHz
Overvoltage
%
X
(SLI / CF)
Core Clock
MHz
Overvoltage
%
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Computer Utilization
Results:
Click 'Calculate' button to view
Recommended Power Supply Wattage

  
Have an idea to enhance power supply calculator? Let us know!
X
CPU count applies only if the system has more than 1 physical CPU.
X
FB DIMMs?
X
(SLI / CF)
X
X
X
X
Note: Standard keyboard, mouse, and 8 hours of computer utilization per day already included in calculations.
Results:
Click 'Calculate' button to view
Recommended Power Supply Wattage

  
Have an idea to enhance power supply calculator? Let us know!