Which gaming power supply offers the best performance for the price?
This page compares 5 gaming power supplies with verified specifications and prices. Top options include be quiet! Straight Power 12 750W, be quiet! Pure Power 13 M 650W, Cooler Master MWE Gold 850 V3. Prices range from £63 to £244. 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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be quiet! Straight Power 12 750W
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£117.71 ≈ | 750W | 80 PLUS Platinum; 92.9% | ✓ | 5 | 0.9% on 12V rail | ✗ |
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The be quiet! Straight Power 12 750W is a fully modular, 80 PLUS Platinum power supply with a 135mm fan and five PCIe connectors, including a 12VHPWR connector. Its strong efficiency and precise voltage regulation suit modern mid-range and high-end gaming PCs. ★ Ideal forIt suits gamers seeking the best performance for the price because it combines 750W capacity, 80 PLUS Platinum efficiency, fully modular cabling, five PCIe connectors, and 0.9% 12V voltage regulation.
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be quiet! Pure Power 13 M 650W
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£62.84 ≈ | 650W | 80 PLUS Gold up to 94.2% | ✓ | 3 | 1% on 12V rail | ✗ |
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The be quiet! Pure Power 13 M 650W is a fully modular ATX 3.1 power supply with 80 PLUS Gold efficiency reaching up to 94.2%. It includes two PCIe 6+2 connectors and one 12V-2x6 connector, making it suitable for quiet mid-range gaming PCs and modern graphics cards. ★ Ideal forIt offers strong performance for the price with 650W output, up to 94.2% efficiency, excellent 1% 12V voltage regulation, fully modular cabling, and support for modern PCIe 5.1 graphics cards.
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Cooler Master MWE Gold 850 V3
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£95.38 ≈ | 850W | 80 PLUS Gold, ≥90% at typical load | ✓ | 4 PCIe 6+2-pin and 1 12V-2x6 | DC-to-DC | ✗ |
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The Cooler Master MWE Gold 850 V3 is an 850W fully modular ATX 3.1 power supply with 80 PLUS Gold efficiency and a native 12V-2x6 connector for modern graphics cards. Its zero-RPM mode, Japanese main capacitor, and 10-year warranty make it suitable for gaming PCs ranging from mainstream builds to high-performance systems. ★ Ideal forIt offers strong performance for the price with 850W capacity, 80 PLUS Gold efficiency, fully modular cabling, four PCIe 6+2 connectors, a native 12V-2x6 connector, and zero-RPM operation at low loads.
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be quiet! Dark Power 13 1000W
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£184.84 ≈ | 1000W | 80 PLUS Titanium up to 95.2% | ✓ | 5 | — | ✗ |
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This 1000W fully modular power supply uses 80 PLUS Titanium efficiency and supports ATX 3.0 and PCIe 5.0 graphics cards. It suits high-end gaming PCs, overclocked systems, and builds where quiet operation and efficient power delivery are important. ★ Ideal forIt offers strong performance for the price with 1000W output, Titanium efficiency up to 95.2%, five PCIe connectors including a 600W 12VHPWR connector, and an overclocking key for single-rail operation.
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NZXT C1500 Platinum
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£244.00 ≈ | 1500 W | 80 PLUS Platinum | ✓ | 8 | Digital power | ✓ |
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The NZXT C1500 Platinum is a 1500 W, 80 PLUS Platinum, fully modular ATX 3.1 power supply with two 12V-2x6 connectors and six 6+2-pin PCIe connectors. Its digital power design provides precise voltage regulation, while the 140 mm magnetic levitation fan supports zero-fan operation. It suits high-end gaming PCs, multi-GPU systems, and demanding workstations. ★ Ideal forIt offers strong performance for the price with 1500 W of capacity, 80 PLUS Platinum efficiency, fully modular cabling, digital voltage regulation, and eight PCIe connectors for demanding modern GPUs.
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