Power Supply Unit (PSU) Calculator

Welcome to our Power Supply Unit (PSU) calculator. Here, you can accurately determine the required wattage for your PC build, ensuring that your components are adequately powered for optimal performance and stability. By entering your system specifications and selecting the components you plan to use, our calculator will help you select the right PSU wattage to meet your specific needs.

Computer configuration

Processor image
Processor Processor image
Required
Graphic card Graphic card image
Required
Graphic card image
Motherboard image
Motherboard (MBO)
Required
Random Access Memory (RAM)
Required
Random access memory image
Hard disk drives image Solid state disk image M.2 Solid state disk image
Storage (SSD / HDD)
Required
Optional
Optional
Optional
Cooling Fans
Optional
CPU coolers image Cooling fans image
Optical Drives
Optional
PCI Express Cards (PCIe)
Optional
Mouse
Optional
Keyboard
Optional
Other Devices
Optional
Questions & Answers
Power supply unit (PSU) calculators work by analyzing the components in a computer system and determining the power requirements of those components. They use information such as the wattage of the CPU, GPU, and other components to estimate the total power consumption of the system. The calculator typically prompts the user to input information about the specific components that are being used in the system, such as the make and model of the CPU, GPU, and other parts. It then uses this information, along with data from its database of power consumption ratings for various components, to estimate the total power consumption of the system. Some PSU calculators also take into account additional factors such as overclocking, the number of hard drives, and other peripherals that are being used in the system, to provide a more accurate estimate of power consumption. It's important to note that the results of PSU calculations can vary depending on the specific components being used, as well as the configuration of the computer system and usage pattern. Factors such as the overclock settings and peripherals can all affect the results of a PSU calculation. It's always recommended to choose a power supply unit that can provide a bit more power than what is calculated to have some headroom for future upgrades or to handle peak power usage.
Yes, the power supply unit (PSU) is an important component in a computer system. It is responsible for converting the alternating current (AC) power from the wall outlet into the direct current (DC) power that is used by the computer's components. The PSU also regulates the voltage and provides protection from power surges and other issues. Without a properly functioning PSU, the computer would not receive the necessary power to operate, and its components would be at risk of damage from power surges and other issues. A low-quality or underpowered PSU can lead to instability, frequent shut downs, and even hardware damage and shorten the lifespan of the computer's components. It is important to choose a PSU that is appropriate for the specific components and the configuration of the computer system, as well as the usage pattern, to ensure that it can provide the necessary power to the system and also ensure the stability and longevity of the computer.
PSU calculators are designed to estimate the power requirements of a specific computer system, but they are not always completely accurate. It is always recommended to choose a power supply unit that can provide a bit more power than what is calculated to ensure the stability and longevity of the computer. Factors such as variance in power consumption ratings, lack of real-world data, complex interactions between components, and additional peripherals can all affect the accuracy of PSU calculations.
Popular power supply units with 500+ watts
CoolMax V-500
(Amazon)
Silverstone ET500-ARGB
(Amazon)
be quiet! System Power 10
(Amazon)
Fractal Design Ion+ 2 Platinum
(Amazon)
Fractal Design Ion Gold
(Amazon)
be quiet! Straight Power 11 550W
(Amazon)
Popular power supply units with 600+ watts
BitFenix Formula Gold 650
(Amazon)
Thermaltake Smart SE
(Amazon)
Thermaltake TR2 S
(Amazon)
In Win P65
(Amazon)
Antec Earthwatts
(Amazon)
Corsair SF600
(Amazon)
Popular power supply units with 700+ watts
Fractal Design Anode Bronze
(Amazon)
Asus ROG LOKI
(Amazon)
Silverstone SFX
(Amazon)
Corsair RM750e (2022)
(Amazon)
Enermax CYBERBRON
(Amazon)
Cougar GEX
(Amazon)
Popular power supply units with 800+ watts
Gigabyte UD-GM PG5
(Amazon)
Thermaltake Smart BM3
(Amazon)
Antec NeoECO Gold
(Amazon)
Enermax MarbleBron
(Amazon)
Enermax MarbleBron RGB
(Amazon)
RAIJINTEK CRATOS
(Amazon)
Popular power supply units with 900+ watts
Antec High Current Gamer
(Amazon)
Popular power supply units with 1000+ watts
be quiet! Pure Power 12 M
(Amazon)
EVGA 1000 GQ
(Amazon)
RAIJINTEK CRATOS
(Amazon)
Apevia Signature
(Amazon)
Enermax MaxTytan
(Amazon)
Corsair HX1000i
(Amazon)
Popular power supply units with 1100+ watts
Cooler Master V SFX Platinum
(Amazon)
Popular power supply units with 1200+ watts
NZXT C1200
(Amazon)
Silverstone Strider Platinum
(Amazon)
LC-Power LC1200P V3.0
(Amazon)
Cougar POLAR
(Amazon)
PC Power & Cooling Silencer
(Amazon)
Asus ROG Strix Aura Edition
(Amazon)
Popular power supply units with 1300+ watts
SeaSonic PRIME 1300 Gold
(Amazon)
Enermax MAXREVO SLI
(Amazon)
Antec Signature Platinum
(Amazon)
Antec NE1300G M ATX3.0
(Amazon)
MSI MEG Ai1300P PCIE5
(Amazon)
Deepcool PX1300P
(Amazon)
Popular power supply units with 1500+ watts
Thermaltake Toughpower TF1 - TT Premium
(Amazon)
Silverstone Strider
(Amazon)
Silverstone Strider Titanium
(Amazon)
be quiet! Straight Power 12
(Amazon)
Corsair HX1500i (2022)
(Amazon)
be quiet! Dark Power Pro 12
(Amazon)
Popular power supply units with 1600+ watts
Corsair AX1600i
(Amazon)
Super Flower Leadex Platinum
(Amazon)
EVGA SuperNOVA 1600 P2
(Amazon)
EVGA SuperNOVA 1600 T2
(Amazon)
Silverstone DA1650 Gold
(Amazon)
EVGA SuperNOVA 1600 P+
(Amazon)
Popular power supply units with 2000+ watts
Silverstone HELA
(Amazon)
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