Largest Computer Power Supply
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SilverStone - HELA 1300R Platinum Cybenetics Platinum 1300W ATX 3.0 & PCIe 5.0 Fully Modular ATX Power Supply - Black
SKU: J36P263HC9See all Power SuppliesProduct Description
A fully modular black ATX power supply with 1300W output, Cybenetics Platinum efficiency, and PCIe 5.0 support.Your price for this item is $312.40 -
CORSAIR - HXi Series 1000W 80 Plus Cybenetics Platinum Fully Modular Ultra-Low Noise ATX Power Supply - Black
SKU: J39QHT2QK7See all Power SuppliesProduct Description
A fully modular black ATX power supply with 1000W Platinum efficiency and ultra-low noise operation.Your price for this item is $234.99Save $55The previous price was $289.99 -
CORSAIR - HXi Series HX1200i 80 PLUS Platinum Fully Modular Ultra Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black
SKU: J39TSCHTLLwith a power cable ready for the 5080 so no need to use the standard adapter your gpu comes with, love...Best efficiency
See all Power SuppliesProduct Description
A fully modular black power supply offering 80 PLUS Platinum efficiency and ultra-low-noise fluid dynamic fan.Your price for this item is $399.99 -
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.Your price for this item is $159.99Save $48The previous price was $208.18 -
MSI - A850GLS MLG EDITION 850W ATX 3.1 & PCIe 5.1 Ready Fully Modular 80 Plus Gold Gaming Power Supply - Black & Red
SKU: J3P7TXQTGWSee all Power SuppliesProduct Description
A fully modular black and red power supply with 80 Plus Gold efficiency, ATX 3.1, and PCIe 5.1 support.Your price for this item is $122.99Save $37The previous price was $159.99 -
Thermaltake - Toughpower 850W Power Supply (PSTPD0850NNFAGU3)
SKU: J39ZPC9QLWSee all Power SuppliesProduct Description
An 80 PLUS Gold certified ATX power supply with PCIe Gen 5.0 support and quiet 120mm cooling fan.Your price for this item is $99.99 -
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.Your price for this item is $159.99 -
CORSAIR - RMe Series RM1200e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.0 Power Supply - Black
SKU: J39QHT2RCLLove best buy products...love it...works fantastic no issues during install, price was great.
See all Power SuppliesProduct Description
A fully modular black power supply offering 1200W, low-noise operation, and 80 PLUS Gold efficiency.Your price for this item is $234.99 -
Thermaltake - Dockpower FI 1200W ATX 3.1 Modular 80+ Gold Power Supply
SKU: J39TQXRFHTSee all Power SuppliesProduct Description
A fully modular 1200W ATX 3.1 power supply with 80 Plus Gold efficiency and PCIe 5.1.Your price for this item is $194.49 -
Thermaltake - Dockpower FI 1200W ATX 3.1 Full Modular 80+ Gold Power Supply
SKU: J39TQXRF7SSee all Power SuppliesProduct Description
A fully modular gold power supply with 80 Plus Gold, ATX 3.1, PCIe 5.1, and cable docking.Your price for this item is $194.49
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FAQ
High-capacity computer power supplies usually come with a variety of connectors, including multiple PCIe cables for graphics cards, SATA connectors for storage devices, Molex connectors for legacy components, and a 24-pin ATX connector for the motherboard.
Yes, most large computer power supplies are designed to be compatible with both standard ATX and extended ATX (E-ATX) motherboards, providing the necessary power and connectors for high-performance systems.
Many high-wattage power supplies feature fully modular or semi-modular cabling, allowing users to connect only the cables they need for a cleaner and more organized build.
Yes, large power supplies are often designed to support multi-GPU configurations, providing sufficient wattage and multiple PCIe power connectors for demanding graphics setups.
High-capacity computer power supplies are commonly available with 80 PLUS certifications, such as Bronze, Silver, Gold, Platinum, or Titanium, indicating their energy efficiency and performance under load.