Is the MSI MAG 750GL enough for a Ryzen 7 7800X3D and Radeon RX 9070 XT build?
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MistyHarbor42
I'm putting together a new PC with a Radeon RX 9070 XT and Ryzen 7 7800X3D. A parts estimate puts the system's power usage at around 650W. Would the MSI MAG 750GL be sufficient, or should I choose a higher-wattage power supply? Please ignore the listed prices, since I found better deals locally.
Answers
Even if the estimated requirement falls in the 600–699W range, 850W is a sensible target. Power supplies can also lose some capacity as they age, so having additional margin is preferable.
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I’d go with an 850W unit. The price difference between 750W and 850W models is often small, and the extra headroom is useful for transient power spikes and future upgrades.
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If you already own the 750W supply, it should probably handle the system, since the PC is unlikely to draw 650W continuously. Real-world gaming consumption may be closer to 400–450W before tuning. If you’re buying a new PSU, though, an 850W Gold-rated model is the better choice.
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A quality 850W model such as the Montech Century II 850W Gold would be worth considering if it’s available at a similar price. It gives the graphics card and processor more breathing room without going overboard.
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SilverMaple53: There’s no need to jump all the way to 1050W for this hardware unless the price is unusually good or you’re planning major future upgrades. 850W should be plenty.