Best Atx Power Supply
A power supply is the heart of a PC. It's the component that takes the AC power from your wall socket and converts it into the direct current (DC) needed to run your computer. Over the years, ATX power supplies have gotten better in terms of efficiency, reliability, and noise levels. But there are still differences between models, especially in terms of size. Browse the top-ranked list of best atx power supplies below along with associated reviews and opinions.
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MSI - MPG A850GS PCIE5 850W ATX 3.1 &PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black
SKU: J3P7TX9CCTDid research for the best PSU on a budget and found MPGA850GS to be the top choice....Great PSU
See all Power SuppliesProduct Description
A fully modular black power supply with 850W output, 80 Plus Gold efficiency, and PCIe 5.1 support.$110.99 Your price for this item is $110.99Save $39Was $149.99The previous price was $149.99 -
Lian Li - SX 1200W Full Modular ATX Form Factor Power Supply with 12V-2x6 Cable - ATX 3.1 & PCIE 5.1 Compliant (SX1200P.W) - White
SKU: J39TC2ZLYHSee all Power SuppliesProduct Description
A fully modular white ATX power supply offering 1200W, 80 PLUS Platinum efficiency, and PCIe 5.1 support.$208.18 Your price for this item is $208.18 -
Lian Li - RB650 80 Plus Bronze Non Modular ATX 650 Watt Power Supply ATX 3.1 & PCIe 5.1 Compliant 135mm Larger Fan - Active PFC - Black
SKU: J39TC2Z3PFSee all Power SuppliesProduct Description
A black ATX 650W power supply with 80 PLUS Bronze efficiency, PCIe 5.1 support, and quiet cooling.$59.99 Your price for this item is $59.99 -
Lian Li - RB750 80 Plus Bronze Non Modular ATX 750 Watt Power Supply ATX 3.1 & PCIe 5.1 Compliant - 135mm Larger Fan - Active PFC - Black
SKU: J39TC2Z3W4See all Power SuppliesProduct Description
A black ATX 750W power supply with 80 Plus Bronze efficiency, PCIe 5.1 support, and quiet 135mm fan.$69.99 Your price for this item is $69.99 -
Lian Li - SX 1200W Full Modular ATX Form Factor Power Supply with 12V-2x6 Cable - ATX 3.1 & PCIE 5.1 Compliant (SX1200P.B) - Black
SKU: J39TC2ZL88See all Power SuppliesProduct Description
A fully modular black power supply with 80 PLUS Platinum efficiency, ATX 3.1, and PCIe 5.1 compliance.$159.99 Your price for this item is $159.99 -
Lian Li - SX 1000W Full Modular ATX Form Factor Power Supply with 12V-2x6 Cable - ATX 3.1 & PCIE 5.1 Compliant (SX1000P.W) - White
SKU: J39TC2ZL2YSee all Power SuppliesProduct Description
A fully modular white ATX power supply with 80 PLUS Platinum efficiency and PCIe 5.1 compliance.$149.99 Your price for this item is $149.99 -
Lian Li - 850W Full Modular ATX Power Supply with 12V-2x6 Cable - ATX 3.1 & PCIE 5.1, Cybenetics Platinum Efficiency (SX0850P.B) - Black
SKU: J39TC2ZGW6See all Power SuppliesProduct Description
A fully modular black ATX power supply with Cybenetics Platinum efficiency and PCIe 5.1 compatibility.$119.99 Your price for this item is $119.99 -
PCCOOLER - YS1200 1200W 80 Plus Gold Certified Fully Modular PCIe 5.1 & ATX 3.1 Gaming Power Supply - Black
SKU: CZ92Y4Z4HSSee all Power SuppliesProduct Description
A fully modular black power supply with 80 Plus Gold efficiency, PCIe 5.1, and silent hybrid fan.$219.99 Your price for this item is $219.99 -
PCCOOLER - YS1000 1000W 80 Plus Gold Certified Fully Modular PCIe 5.1 & ATX 3.1 Gaming Power Supply - Black
SKU: CZ92Y4Z4R8See all Power SuppliesProduct Description
A fully modular black power supply with 80 Plus Gold efficiency, PCIe 5.1, and silent hybrid fan.$179.99 Your price for this item is $179.99 -
In Win - Computer Case - Mid-tower - 450 W - Power Supply Installed - ATX Motherboard Supported - Unknown
SKU: J3PHGR43YSSee all Computer CasesProduct Description
A durable steel mid-tower case with 450W power supply, tool-free installation, and ATX motherboard support.$133.68 Your price for this item is $133.68
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FAQ
When choosing an ATX power supply, consider features such as modular cabling for easier cable management, high efficiency ratings like 80 PLUS certification, quiet operation with optimized cooling fans, and reliable brand reputation. Additional features like over-voltage and short-circuit protection can also enhance system safety.
Yes, many ATX power supplies are designed to support the demanding power requirements of high-end gaming rigs and workstation PCs. Look for models with higher wattage outputs and multiple PCIe connectors to ensure compatibility with powerful graphics cards and other components.
Modular ATX power supplies allow you to connect only the cables you need for your specific build, reducing cable clutter and improving airflow inside your PC case. This can make installation easier and help maintain a cleaner, more organized system.
A higher efficiency rating, such as 80 PLUS Bronze, Silver, Gold, or Platinum, means the power supply converts more of the wall power into usable energy for your PC, wasting less as heat. This can lead to lower electricity costs and a cooler, quieter system.
ATX power supplies are the standard size for most mid-tower and full-tower desktop cases. Before purchasing, check your case specifications to ensure compatibility, but in general, an ATX power supply will fit most standard PC builds.