What power supply do you need for the Arc A380?
The Arc A380 is rated at 75 W total board power. Here's the PSU size we recommend, the bare minimum, and what to buy.
With a typical gaming CPU (Ryzen 7 9800X3D), the Arc A380 draws about 237 W while gaming and up to 319 W under full load. GPU spikes can briefly reach about 342 W, so choose an ATX 3.1 unit rated 80+ Gold or better.
Arc A380 PSU size by CPU
| Build | CPU | Gaming draw | Minimum | Recommended |
|---|---|---|---|---|
| Budget | Ryzen 5 7600 | 214 W | 450 W | 450 W |
| Gaming | Ryzen 7 9800X3D | 237 W | 450 W | 450 W |
| High-end | Core i9-14900K | 302 W | 550 W | 550 W |
Assumes 2 memory sticks, 1 NVMe SSD, air cooling and 3 fans, with no overclocking. Using a different CPU? Calculate your exact build.
Best power supplies for the Arc A380
Our 550 W picks. Every one is a fully modular, 80+ Gold or better unit from a brand with a strong reliability record.
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Arc A380 power specs
| Total board power | 75 W |
|---|---|
| Estimated ms-level spike | ≈ 98 W |
| Power connectors | Powered through the PCIe slot on most models (some add one 6- or 8-pin). |
| Recommended PSU (pre-ATX 3.0 unit) | 450 W |
| Estimated running cost | ≈ $6.41/month (3 h/day at $0.18/kWh) |
Frequently asked questions
Is 450W enough for the Arc A380?
Yes. A quality 450 W ATX 3.x power supply runs the Arc A380 with a typical gaming CPU at about 53% load while gaming.
Is 550W enough for the Arc A380?
Yes. A quality 550 W ATX 3.x power supply runs the Arc A380 with a typical gaming CPU at about 43% load while gaming.
Is 650W enough for the Arc A380?
Yes. A quality 650 W ATX 3.x power supply runs the Arc A380 with a typical gaming CPU at about 36% load while gaming.
What power connector does the Arc A380 use?
Powered through the PCIe slot on most models (some add one 6- or 8-pin).
Already have a power supply? See every graphics card a 450 W PSU can run →