Is a 750W good enough for this build?

[fxscreamer]

I currently did a big computer upgrade in two phases. Almost everything is new but my PSU since I thought I could keep using it.  I mainly use this as a workstation, gaming second, but after seeing power draw in benchmarks, I was a little concerned, especially the combo power draw with my CPU and GPU. When I do game, I'm doing 1440p /4K high refresh.

 

Seasonic 750W Prime Platinum (still has about 8 years on the warranty)

 

NO OVERCLOCKING

Intel 14700K (coming from a 9940X 14-core OC'd 36%)

Asus Z790 Creator

64GB 6400mhz (32GBx2)

ASUS 4070Ti Pro Art

All Noctua air cooling (NH-D15S and 3 case fans)

3 NVMe drives, (two Gen4) 1 SSD

[Hinjima]

3 minutes ago, fxscreamer said:

I currently did a big computer upgrade in two phases. Almost everything is new but my PSU since I thought I could keep using it.  I mainly use this as a workstation, gaming second, but after seeing power draw in benchmarks, I was a little concerned, especially the combo power draw with my CPU and GPU. When I do game, I'm doing 1440p /4K high refresh.

 

Seasonic 750W Prime Platinum (still has about 8 years on the warranty)

 

NO OVERCLOCKING

Intel 14700K (coming from a 9940X 14-core OC'd 36%)

Asus Z790 Creator

64GB 6400mhz (32GBx2)

ASUS 4070Ti Pro Art

All Noctua air cooling (NH-D15S and 3 case fans)

3 NVMe drives, (two Gen4) 1 SSD

Yeah I would say so. The PSU you have is very good   The 4070ti is a 285w GPU and the 14700k has a base TDP of 250 but seen it hit 280w in certain motherboards with limits removed.  If you plan on only gaming then absolutely no problem, running 100% loads on both parts like rendering or similar is 'cutting it close' but still within safe limits in my opinion.
 

[--SID--]

Prime has issues (noise on the sense wire) with some recent GPUs. If you don't experience any problem you can keep using the PSU.

[Lukjo]

Gaming wise looks good. If your PSU ever has a power trip(which im 95% sure it wont) then try undervolting the GPU, i know transient spikes are not as prominent on the 40 series as the 30 series GPUs but its also known that older seasonic prime units did not handle transient spikes the best when 30 series came out.

 

If u are doing anything that facilitates 100% GPU and  100% CPU  loads at the same time then ur are on the limit of your PSU (in the safe good limit,not dangerous but i wouldnt be confortable running like this for extended periods of time like 24/7 usage since u will be past your optimal efficiency curve and your psu might enter themral protection if ran like that)

So i see no reason not to run this PSU, if it causes issues down the line replace it but it wont put your system at risk

Thankfully seasonic got good protections in place and their PSU actually can support consistent loads that are way higher then their rated spec,

ex ive seen a 650W Prime Gold run a 900W load for 3 hours constantly before shutting down from thermal protection - i dont remember if we disabled OCP  or if we were running it on the edge of OCP

Transient spikes (which got fixed with newer revisions) where the thing that tripped up their units,albeit it we simulated 3090ti transient spikes which were the most aggresive ones.