I'm about to upgrade my setup and I'm considering a build with a 9800X3D CPU and a 5090 GPU. My old EVGA 1000W PSU is reaching its 10-year mark, and while it's served me well across two builds, I'm starting to worry if I can trust it with this new configuration. With 64GB of RAM, multiple storage drives (including SSDs and nVME drives), and likely a new motherboard (Gigabyte X870E Aorus Master or ASUS ROG Strix X870E-E), I need some help finding a suitable power supply.
I've heard that 1000W is the minimum for this kind of build, but I'm questioning whether I should go for an ATX 3.1 PSU over an ATX 3.0, especially with the new 12VHPWR connector issues out there. I'm eyeing a Seasonic Prime PX 1600 PSU, but I'm not sure if it's a better choice than the TX version, which is slightly more expensive and labeled ATX 3.0. Any advice or recommendations on what PSU to choose? I'm willing to spend if it means ensuring safety and reliability.
3 Answers
Check out the Montech 1200W PSU if you're okay with a gold rating. It's well-rated and should fit your needs. Plus, it's ATX 3.1 compliant! Definitely a good bang for your buck.
A 1200W PSU should be more than enough for your build, especially if you go with ATX 3.1. I recommend not sticking with your old PSU for safety. Plus, you can undervolt the 5090 to save power without sacrificing performance. For top-tier options, check the tier list and consider the NZXT C1000 Gold ATX 3.1. It's really solid, and you don’t necessarily need platinum efficiency for your setup.
I appreciate the insights! I like having a bit of extra headroom for efficiency. Could you explain what makes a PSU A+ versus A? The PX I found is rated A, while the TX is A+ but pricier.
Good point! The difference usually comes down to efficiency ratings and how well they perform under various loads.
I’ve been using the be quiet! Straight Power 12 1000W (3.0) for a couple of months, and I haven’t had any issues. It’s been running smoothly with my setup.
Thanks, I hadn’t heard of Montech before! I'll look into that.