Which gaming power supply has the highest wattage capacity?
This page compares 9 gaming power supplies with verified specifications and prices. Top options include Baibo AC110-220v ATX PC 2000W Power Supply 8 Graphics Card Ethereum ETH BTC Mining Antminer PSU, be quiet! BN518 Straight Power 12 1500W, Corsair CP-9020309-NA HX1500i 2025. Prices range from £82 to £3,230. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Wattage (W) ⇅ | Efficiency (%) ⇅ | Modularity ⇅ | Number of PCIe Connectors ⇅ | Voltage Regulation (±) ⇅ | Fanless ⇅ |
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Baibo AC110-220v ATX PC 2000W Power Supply 8 Graphics Card Ethereum ETH BTC Mining Antminer PSU
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£210.10 ≈ | 2000 W | > 80% | ✓ | 16 x 6+2-Pin | — | ✗ |
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This ATX mining power supply provides up to 2000 W of power and supports up to eight graphics cards. It suits cryptocurrency mining rigs and other high-power multi-GPU systems, with active PFC, overload protection, and a temperature-controlled fan. ★ Ideal forIt suits the question because its 2000 W maximum output is a very high wattage capacity, while its 16 PCIe connectors can power up to eight graphics cards. |
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be quiet! BN518 Straight Power 12 1500W
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£214.98 ≈ | 1500W | 80 PLUS Platinum, up to 93.9% | ✓ | 6 | Full bridge LLC | ✗ |
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The be quiet! BN518 Straight Power 12 delivers 1500W of continuous power with 80 PLUS Platinum efficiency and fully modular cabling. It includes two 12VHPWR connectors, four PCIe 6+2-pin connectors, and a virtually inaudible 135mm fan, making it suited to high-end gaming PCs and demanding multi-GPU or workstation builds. ★ Ideal forThis product specifically suits the question because its 1500W capacity is the highest-wattage feature listed, providing substantial headroom for high-end gaming systems and power-hungry graphics cards. |
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Corsair CP-9020309-NA HX1500i 2025
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£259.54 ≈ | 1500 W | 80 PLUS Platinum | ✓ | 5 | — | ✗ |
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The Corsair HX1500i 2025 is a 1500 W fully modular ATX 3.1 power supply with 80 PLUS Platinum efficiency and PCIe 5.1 support. It includes dual 12V-2x6 GPU cables, a fluid dynamic bearing fan, and Zero RPM mode, making it suitable for high-end gaming PCs and demanding creator workstations. ★ Ideal forThis product specifically suits the question because its 1500 W capacity is designed for gaming systems with multiple high-performance components and next-generation GPUs. |
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ASRock PG-1600G Phantom Gaming
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£207.63 ≈ | 1600W | 80 PLUS Gold | ✓ | 8 x 6+2-pin PCIe and 2 x 12+4-pin PCIe | +5V voltage compensation | ✗ |
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The ASRock PG-1600G is a 1600W ATX 3.1 power supply with 80 PLUS Gold efficiency, Cybenetics Platinum efficiency certification, and fully modular cabling. It includes eight 6+2-pin PCIe connectors, two 12+4-pin PCIe connectors, active cooling with a 135mm FDB fan, and support for PCIe 5.1 graphics cards. ★ Ideal forThis model suits the question because its 1600W capacity is exceptionally high for a gaming power supply, providing substantial headroom for high-end multi-GPU or power-intensive gaming systems.
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Super Flower SF-1300F14GE Leadex III GE Gold
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£1927.34 ≈ | 1300W | 80 PLUS Gold | ✓ | 5 | — | ✓ |
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This 1300W fully modular power supply has 80 PLUS Gold efficiency, ATX 3.1 support, and a native PCIe 5.1 12V-2x6 connector. It suits high-performance gaming PCs using power-hungry graphics cards and multiple components. ★ Ideal forIt is a strong choice for the gaming power supply with the highest wattage capacity because its 1300W output exceeds typical gaming PSU capacities and includes four PCIe 8-pin connectors plus a native 12V-2x6 connector. |
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ASUS ROG-THOR-1600T-GAMING
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£519.09 ≈ | 1600W | 80 PLUS Titanium | ✓ | 11 | — | ✗ |
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The ASUS ROG Thor 1600W Titanium is a fully modular, 1600W gaming power supply with 80 PLUS Titanium efficiency, a 135mm PWM fan, OLED power monitoring, and a 16-pin PCIe connector for high-end graphics cards. It suits high-performance gaming PCs, enthusiast builds, and workstations requiring substantial power capacity. ★ Ideal forThis product specifically suits the question because its 1600W capacity provides exceptionally high power output for demanding multi-GPU, overclocked, and workstation-class gaming systems.
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Daylead LB09H6KQQDY 1600W Full Modular Power Supply
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£261.54 ≈ | 1600W | 87% | ✓ | 6 | Stable voltage output | ✗ |
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This 1600W fully modular power supply is designed for high-power gaming PCs, cryptocurrency mining rigs, and systems using multiple graphics cards or CPUs. It provides 87% efficiency, six 6+2-pin PCIe connectors, and active cooling with a 140mm fan. ★ Ideal forIt suits the question Which gaming power supply has the highest wattage capacity because its 1600W output is the highest-capacity feature identified for this product, with six PCIe connectors for multi-GPU systems. |
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Taifast ATX-MS1800W
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£81.57 ≈ | 1800 W | 80 PLUS GOLD Certified | ✗ | — | — | ✗ |
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The Taifast ATX-MS1800W is an 1800 W ATX power supply with 80 PLUS Gold certification and a non-modular design. It suits high-power gaming PCs and GPU-focused systems that need substantial continuous power output. ★ Ideal forThis model suits the question because its 1800 W capacity is exceptionally high for a gaming power supply, providing substantial power for demanding multi-GPU or high-end gaming systems. |
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Super Flower SF-1000F14GE Leadex III GE Gold ATX 3.1 1000W
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£3229.53 ≈ | 1000W | 80 PLUS Gold, 90% at 50% load | ✓ | 5 | 12.000V on +12V, 5.040V on +5V, 3.344V on +3.3V | ✓ |
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This 1000W ATX 3.1 power supply has full modular cabling, 80 PLUS Gold efficiency, and native 12V-2x6 support for modern graphics cards. Its ECO mode can stop the 140mm fan during low temperatures, making it suitable for powerful gaming PCs that need high capacity and quieter operation. ★ Ideal forIt suits the question because its 1000W capacity is the highest-power feature identified here, while ATX 3.1 support and a native 12V-2x6 connector make it suitable for high-end gaming hardware.
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