I recently got my hands on a 9070 XT graphics card, but I'm currently using an older 550W EVGA Bronze power supply. I'm aware that the GPU's power requirements are higher than what my PSU can handle. I'm curious if undervolting the GPU could make it safe to use for the time being or if I should just wait and replace the PSU first. I really want to avoid damaging any components in the process.
7 Answers
Using that 550W PSU might not kill your GPU outright, but expect potential shutdowns since it probably can't supply enough power, especially if your CPU is power-hungry too. If you're thinking of upgrading the GPU, it's wise to upgrade the PSU concurrently. AMD recommends at least a 750W supply for safe operation.
Your other hardware also plays a role here, but most likely, your GPU won't just die immediately. At worst, your system will power down due to overloading—unless your PSU is a really bad model. Undervolting can help for now, but get a new PSU soon!
Exactly! A 550W PSU, especially a Bronze one, isn’t going to cut it long-term. Definitely plan on upgrading that old thing soon!
At the very least, try undervolting until you upgrade that PSU. If it shuts down, I'd recommend not pushing it again for gaming until you get a better power supply.
You can go ahead and use the 550W PSU until your new one arrives, but keep an eye out for shutdowns or instability. It might handle it temporarily, but running on such a low power supply isn't ideal in the long run.
Running your 9070 XT on a 550W PSU isn't the smartest move. Even with a power cap, the GPU will still draw around 230-250W, which pushes the limits of your power supply. It's definitely better to upgrade the PSU instead of risking stability and potential damage.
It's best to replace your power supply. I always aim for at least double the wattage that my system requires for optimal efficiency at around 50% load. Even my old Corsair TX950W from 2009 stayed reliable by never maxing out, but now it needs replacing due to aging. Don't risk taking out your new GPU!
Exactly! My GPU also pulls around 300W, and I've seen my system struggle under load. If your PSU is old or underpowered, that could lead to serious issues or random shutdowns.