PSU upgrade: 1000W Titanium vs 1200W Platinum

[bjoyful]

Hey folks, I'm in the process of upgrading my entire system and got a Ryzen 9 7950X + RTX 4090.

According to PSU Calculator, a 963W power supply unit is recommended for a 7950X/RTX4090 build, taking into account all of my peripherals and a constant 100% load usage 24/7. I'm mostly doing 3D and post-production work, with occasional gaming. I narrowed the power supply down to the following options:

EVGA SuperNOVA 1000 T2
Corsair HX1200

In my local area, I have the 1000 T2 and HX1200 available at a similar price point, with the HX1200 being slightly more expensive. Given these options, what would you do? While the 963W estimation is a worst-case scenario and I don't think I'll ever reach that level of power consumption, would you opt for the 1000W Titanium or 1200W Platinum?

Cheers!

 

[Solaris17]

I have pulled over 500w on my 4090 before the rest of the system.

 

[bjoyful]

I have pulled over 500w on my 4090 before the rest of the system.

What CPU and PSU are you using on your system?

edit. oh, just realized there's a System Specs dropdown list, that's cool! So a 13900KS and be quiet! 1500W

 

[maxfly]

The hx1200 is the better of the two.

 

[bobbybluz]

The hx1200 is the better of the two.

Are they still made by Channelwell?

 

[maxfly]

Are they still made by Channelwell?

Yep still CWTs best stuff and the best you can get short of the ax1600i.

 

[GamerGuy]

I'd take sheer 'Platinum' rated power over lower 'Titanium' rated power anytime, any day. That 1200W Platinum would be my choice.

 

[Ferrum Master]

I would go for the 1kW Titanium.

Just because of the fact you plan to run it 24/7.

Also find native pcie 12VHPWR cable, do not use the included nvidia adapter. It may be fine for a casual gamer, but not a 24/7 user. I've seen dozen of burned PSU connectors and cables from bitcoin farms as modular really ain't the best for 24/7. Any moisture any misalignment and it will cause resistivity, temperature build up and then it turns black and smokes.

 

[bjoyful]

I would go for the 1kW Titanium.

Just because of the fact you plan to run it 24/7.

Also find native pcie 12VHPWR cable, do not use the included nvidia adapter. It may be fine for a casual gamer, but not a 24/7 user. I've seen dozen of burned PSU connectors and cables from bitcoin farms as modular really ain't the best for 24/7. Any moisture any misalignment and it will cause resistivity, temperature build up and then it turns black and smokes.

That's an interesting perspective. I hadn't even considered the possibility of such a hardware failure. Thank you for pointing it out!

What specific reason(s) would you have for choosing the Titanium? Efficiency? Longevity? Scalability?

I've been reading a lot about this particular EVGA/Super Flower PSU, and it appears to be highly regarded.

I'd take sheer 'Platinum' rated power over lower 'Titanium' rated power anytime, any day. That 1200W Platinum would be my choice.

Any particular reason?

 

[ThrashZone]

Hi,
You don't show a region so I'll just note I'd make sure you have at least a 20amp breaker just for the system without it the psu doesn't matter if the wall can't provide the power.

 

[Ferrum Master]

What specific reason(s) would you have for choosing the Titanium? Efficiency? Longevity? Scalability?

Considering both PSU's are really great here, there are no questions about it, Super Flower are totally fine and it is a mature platform. Each fraction of percent, basically even 1-2% @1kW load means 10-20W of power going into heat(not sure from where are you ie 110V or 220V land, it would render the picture different also). But that is nothing to sneeze at when you calculate it with 24/7 in mind. You have a special use case almost like mining, where actually was the only place where PSU efficiency class price difference margin really paid off. Otherwise I would say it really doesn't matter.

 

[maxfly]

The Evga g2/T2 series is an excellent platform (Ive got a 1300g2 myself) probably Evgas best platform to date but Evga doesn't offer a 4090 12vhpwr cable yet (no idea)while Corsair does (a very good one).

https://www.corsair.com/ww/en/Categories/Products/Accessories-%7C-Parts/PC-Components/Power-Supplies/600W-PCIe-5-0-12VHPWR-Type-4-PSU-Power-Cable/p/CP-8920284

If you can find the hx1200i, they are usually only a few bucks more and come with a digital output cable that allows you to change the PSUs fan speed via software and a few other things that I cant recall off hand.
There's nothing wrong with the Nvidia 12vhpwr cable as long as you connect it properly (other than its fuuugly) and don't over bend or crank on it while messing around inside your case. Which is true of any 12vhpwr cable. So many people go with whatever their manufacturer offers or a Cablemod replacement over the pigtailed mess Nvidia sends.

Titanium, Platinum, Gold...just efficiency ratings, don't get caught up in the hype. The efficiency benefits rarely outweigh the cost benefits of simply going with a top notch gold vs platinum vs titanium. The only benefit of a few titanium units is some manufacturers offer 12y warranties vs 10y. Even at 24/7 operation it generally takes more than the avg lifetime of the unit to make back the difference.
Sticking with the two brands you have already chosen, find the best deal you can find on a Corsair rm1000x/ax1000/1200i (If you want the baddest PSU on the planet and don't mind spending ignant amounts of cash get a ax1600i) or Evga 1000/1300g2/p2/t2 or g3/p3 or a 1000g6 BUT read a review by our man Aris first (hes done one on them all I'm sure). You can find him at Toms, Hardwarebusters and here at TPU.