Seasonic PRIME PSU shutdowns with RTX 30x0 and RX 6xxx series GPUs
17 Dec 2021 18:44:54 UTC
Topic 226611
(moderation:
I posted this online at https://linustechtips.com/topic/1116640-psu-tier-list-148/page/211/#comment-15160281 which is another posting from a member of the PSU Tier List 14.8.
On 10/23/2019 at 12:15 PM, LukeSavenije said:• Seasonic | Focus [OneSeasonic refreshes] GX / GM / PX / SGX - Prime [8] GX (<=750W / =>1000W) / (Ultra) Gold =>1000W / PX =>1000W / (Ultra) Platinum =>1000W / TX =>1000W / (Ultra) Titanium =>1000W / PRIME Snow Silent Gold [550W] - Connect
...and for [8]
On 10/23/2019 at 12:15 PM, LukeSavenije said:[8] Seasonic PRIME based units experience shutdowns with RTX3080/3090 (and possibly RX6900 XT) GPUs, especially ones with unlocked power limit like FE and ASUS Strix. It is recommended, if going with such units, to overprovision wattage, 1kW for RTX3080 and 1.2kW for RTX3090, or power-limit the GPU, or performing a 'dirty' fix of disconnecting a pin of 12V V-sense wire from PSU-side connector of 24-pin motherboard cable (courtesy of Jonny Guru). Units based on post-2018 revisions of Seasonic Focus platform and majority of units by other OEMs are not affected.
Since this was written in Oct. 2019, and it is now Dec 2021, would the Seasonic PRIME based units still be experiencing shutdowns?
And they replied with:
44 minutes ago, Geo007 said:Since this was written in Oct. 2019
RTX 30x0 and RX 6xxx weren't available in Oct '19. The issues occured since launch of that cards in Sept '20
44 minutes ago, Geo007 said:would the Seasonic PRIME based units still be experiencing shutdowns?
Nothing has proven otherwise.
Has anyone at Einstein, or BOINC for that matter, seen any shutdowns for Seasonic PRIME units for RTX 30x0 and RX 6xxx series cards?
I was interested in a Seasonic PRIME 1000W or 1300W unit for eventually getting an RTX 3080Ti before this came up.
George
Proud member of the Old Farts Association
Funny to stumble on this post
)
Funny to stumble on this post just as I am eagerly awaiting my new EVGA 1000w power supply. This being required after installing my new EVGA 3080TI Hybrid and running the OC Tuner, which promptly tripped my 2019 Seasonic 850 Focus Platinum whenever it nears max load. This despite the fact that every online calculator and my own calcs figure a 850 watt would be fine. I wondered if there might be a problem with the PS but decided to play it safe and go with the 1K.
I have a Seasonic Prime 1000W
)
I have a Seasonic Prime 1000W on one of my systems.
this one: https://einsteinathome.org/host/12803503
it has (1x 3080Ti) and (3x 3070Ti). The 3080Ti is being powered from the Seasonic PSU, the other three 3070Tis are being powered from other PSUs. it's power limited to 300W though. Some folks have reported that the Ampere cards can be subject to "surges" that might briefly overload a PSU. but 1000W is more than enough headroom for even a 450W card + system + surge overhead.
no issues.
_________________________________________________________________________
I used to think the graphics
)
I used to think the graphics card folks systematically hugely exaggerated the capacity of power supply needed. I still think they often do, but I now believe transient spikes are a big problem.
While power supplies have capacitors that can help them live through some transients, they are nowhere near enough to let you assume that so long as your long-term average load is well below the supply rating it should be happy. The chips in modern graphics cards are capable of consuming astonishing amounts of power in some circumstances. So the application they are running may reasonably have something to do with whether a particular card and supply combination are happy together.
Oddly, this all means that if a supply is well protected, people may think it faulty, in tripping out with a load that another less conservatively protected supply of the same rating tolerates.
archae86 wrote: I used to
)
You are absolutely correct about a top performing supply being thought of as bad. Even though I dont have the proper equipment here at the house to prove it, I can see enough of a bump in the 12v rail during load changes to know that at some point I must have an instantaneous load that exceeds the current limit of this supply. Not the fault of the supply, my system just needs more headroom with a Threadripper, 4 sticks of ram, MB, 3 drives, and two displays etc etc...
Everything performs flawlessly during normal operations, only while running the OC Tuner AND having the power limit run up to 110% do I get a very repeatable reset with the expected Kernel Power errors in the event log etc
EVGA Supernova G5 Platinum
)
EVGA Supernova G5 Platinum 1000w did the trick. Running like a scalded dog now!
Gandolph1 wrote: EVGA
)
Good to know. I just may get one myself after seeing your post.
Proud member of the Old Farts Association
GWGeorge007 wrote:Gandolph1
)
Might want to hold up on the EVGA power supply for now. After turning on ECO mode everything was fine for a couple of hours then the system power tripped. (I'm assuming something is getting hot due to the reduced fan speed and shutting it down) As long as I leave the ECO switch "on" no problem, needless to say a replacement is on the way. Could be a one-off problem, I'll update after the first of the year when I know more.
Almost forgot - Happy Holidays everyone!
I must be missing something
)
I must be missing something here. For a crunching system, why would anyone want to turn on any "eco" mode.
The purpose of a crunching rig is to utilize 100% of the system resources when crunching.
You are counter-productive in hamstringing your system performance with any "eco" mode.
Keith Myers wrote: I must be
)
You would want to run ECO mode on a power supply so you can A:, reduce the fan noise and B:, Reduce the amount of dust drawn into your system. And lets not forget that as an advertised "Feature", ECO mode for the power supply should not allow the power supply to over heat.
I've NEVER heard the power
)
I've NEVER heard the power supply fan over the noise of system, cpu or gpu fans in any of my computers in 30 years of building them.
Second, power supply fans only pull air into the supply when the power supply reaches some temperature set by the manufacturer where the fan NEEDS to turn on at all. Most run without ever needing to turn on at all.
Third, the power supply fan does not exhaust into the case except through the various cabling exit apertures which are minimal surface area and those exit points are what gets clogged with dust. The dust drawn from outside the case never gets into the case as it all packs up in the power supply.