ProfessionalGamer Posted March 20 Share Posted March 20 So I'm building a DIY PC with an ASUS ROG Strix GeForce RTX 4090 OC Edition, Intel Core i9-13900KS, and an ASUS ROG Maximus Z790 Hero. I was wondering what kind of PSU I need for those items to work well even when overclocked. I plan on doing a bit of overclocking, and I'm guessing I'll need at least a 1,000w PSU in 80 PLUS Gold PSU, but should I try to get a 1,200w PSU instead? And if so, what kind of 80 PLUS rating? What kind of things should I look for in a PSU for a high end rig in general? I'm looking at Corsair's, Seasonic's, and ASUS ROG's PSU models, but any advice on PSU's would be great. Link to comment Share on other sites More sharing options...
ProfessionalGamer Posted March 20 Author Share Posted March 20 And before you ask. I'm getting this overkill build for an editing rig and to play games in 4K. Link to comment Share on other sites More sharing options...
robert3892 Posted March 24 Share Posted March 24 I'd recommend the Corsair RM1200X because it should provide enough power. The cables are thin so cable management is a whole lot better. The cables run out to the side so adding more cables is a breeze. It has a gold rating so you won't have any problems. I'm running a Ryzen 9 7950X, 32GB of Corsair Dominator 6000MHZ memory, and an MSI RTX 4090. I can play any game available with relative ease. Link to comment Share on other sites More sharing options...
Corsair Employees Corsair GregX Posted March 24 Corsair Employees Share Posted March 24 1000W+ for your configuration. Check PSU finder for a list of compatible / recommended options. https://www.corsair.com/pc-builder/psu-finder Link to comment Share on other sites More sharing options...
ProfessionalGamer Posted March 24 Author Share Posted March 24 1 hour ago, Corsair GregX said: 1000W+ for your configuration. Check PSU finder for a list of compatible / recommended options. https://www.corsair.com/pc-builder/psu-finder Ah, okay, thank you. I am probably gonna end up getting one of the 1200W PSU. Hopefully one with at least 80 Plus Gold. Link to comment Share on other sites More sharing options...
ProfessionalGamer Posted March 27 Author Share Posted March 27 On 3/24/2023 at 9:59 AM, Corsair GregX said: 1000W+ for your configuration. Check PSU finder for a list of compatible / recommended options. https://www.corsair.com/pc-builder/psu-finder I've settled on just getting a Corsair AX1600i Digital ATX Power Supply - 1,600 Watt Fully Modular PSU. It's your best PSU right now, but unless you guys make one in ATX 3.0 with 80 PLUS Titanium & over 1,200 Watts, I'm just going to get this one. A overclocked ASUS ROG Strix 4090, Intel Core i9-13900KS, and an ASUS ROG Maximus Z790 needs the best PSU to boot right? Link to comment Share on other sites More sharing options...
LeDoyen Posted March 27 Share Posted March 27 Maybe not the best but the most expensive yes 😛 Link to comment Share on other sites More sharing options...
ProfessionalGamer Posted April 4 Author Share Posted April 4 On 3/27/2023 at 4:02 PM, LeDoyen said: Maybe not the best but the most expensive yes 😛 Budget isn't even a concern for me, nor is price. I'm getting a RTX 4090 so if that's anything to go by, I really just don't care about a pricetag. Link to comment Share on other sites More sharing options...
ProfessionalGamer Posted April 4 Author Share Posted April 4 On 3/27/2023 at 4:02 PM, LeDoyen said: Maybe not the best but the most expensive yes 😛 Unless Corsair makes more of the RM1200x SHIFT ATX 3.0 PSUs in higher capacity/better than 80 PLUS Gold, I'm not taking any chances of getting a cheap/low-end PSU with a 4090. Link to comment Share on other sites More sharing options...
LeDoyen Posted April 4 Share Posted April 4 You have the new HXi (1000 and 1500W) that are platinum and almost half the price of the AX1600i. Of course there's nothing wrong getting the AXi, but 300$ more is a bit much for a % more in efficiency and a couple more monitoring options 😛 Link to comment Share on other sites More sharing options...
ProfessionalGamer Posted April 4 Author Share Posted April 4 7 hours ago, LeDoyen said: You have the new HXi (1000 and 1500W) that are platinum and almost half the price of the AX1600i. Of course there's nothing wrong getting the AXi, but 300$ more is a bit much for a % more in efficiency and a couple more monitoring options 😛 The thing is, I kinda wanna do a bit of overclocking at like 4.5GHz or something like that on my Intel Core i9-13900KS. Maybe more than that, and my GPU alone needs a minimum of 1,000W to be stable. So mostly just as a precaution/need for raw power and raw energy potential, platinum won't do it. Unless I'm incredibly misunderstanding PSUs, and unless Corsair makes higher grade atx 3.0s, $300 for some extra raw power doesn't sound so bad if I can pair it with the right components. Link to comment Share on other sites More sharing options...
LeDoyen Posted April 4 Share Posted April 4 platinum is the efficiency rating. it only limits the losses in heat in the PSU. But on the output you always have the rated power. A 1600W with 80+ bronze will deliver as much power as a titanium 1600W, but it will make a racket with its fan because of how hot it will be running 😛 the 4090 needs less than 1000W. 1000W is taking into account the CPU power draw and all the rest of the system that drives the GPU. the current range of platinum and titanium PSUs can already take the transients the 4090 pull, even overclocked. People use them without issues on 1000 - 1200W PSUs. They are not ATX3.0 certified, but they already exceed the ATX2.2 specs easily. I'm not trying to make you regret a perfectly good purchase eh ^^ but overclocking that rig, you will bump into thermal limits way before power becomes an issue. If it goes over 50% load on the AX1600i i'd be surprised. But at least you future proof, with its long warranty. You'll see as you experiment what limits you, that's the fun part, and maybe a segway into another rabbit hole called custom watercooling 😛 Link to comment Share on other sites More sharing options...
ProfessionalGamer Posted April 4 Author Share Posted April 4 39 minutes ago, LeDoyen said: platinum is the efficiency rating. it only limits the losses in heat in the PSU. But on the output you always have the rated power. A 1600W with 80+ bronze will deliver as much power as a titanium 1600W, but it will make a racket with its fan because of how hot it will be running 😛 the 4090 needs less than 1000W. 1000W is taking into account the CPU power draw and all the rest of the system that drives the GPU. the current range of platinum and titanium PSUs can already take the transients the 4090 pull, even overclocked. People use them without issues on 1000 - 1200W PSUs. They are not ATX3.0 certified, but they already exceed the ATX2.2 specs easily. I'm not trying to make you regret a perfectly good purchase eh ^^ but overclocking that rig, you will bump into thermal limits way before power becomes an issue. If it goes over 50% load on the AX1600i i'd be surprised. But at least you future proof, with its long warranty. You'll see as you experiment what limits you, that's the fun part, and maybe a segway into another rabbit hole called custom watercooling 😛 I'm getting a 360mm rad don't worry about cooking, I'm waiting till the end of the year until I buy a psu, just to make sure I don't miss out on a new atx 3.0 at a higher grade before I buy a $600 psu, but thanks for the advice, I'll keep it in mind. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now