MSI nightblade i9-11900 - cpu cooling

[joecool]

i9-11900 (non-K 65W model)
M9i cpu cooler

Had this MSI night blade for long time - a week ago got new CPU and motherboad.
Run test with cinebench R23 and almost immediately the CPU goes to thermal limit. In games too.

I managed to undervolt the CPU in BIOS to 1.225 core voltage and multiplier 47. In games I see no problem, obviously clock speed is limited to 4.6-4.7GHz, but temps are below 80C typically. Cinebench would still thermal throttle.

I wonder if anyone can suggest any improvements to this setup. Would be nice if the CPU would not throttle in cinebench.

 

[Mussels]

rear fans on backwards dude

the moment you did a static all core OC, you threw that 65W out the window and you're just blowing past what the cooler can handle.

You'll need lower clocks, auto with adjusted PL1/PL2 limits, preferably with a voltage offset if the board offers it

 

[joecool]

You mean the stock red case fan? That is stock and is exhausting OUTSIDE, it's not intake.
As said, undervolting was what helped. Leaving it on AUTO was thermal limiting even in gaming.

 

[Mussels]

Unless they have done something very weird with that fan design, thats an intake.
Its possible they've done it backwards to everyone else, but i'd be triple checking and confirming that's the case as its quite uncommon.

Noctua for an example, but the 'flat' side with the stationary plastic support (in whatever various shape the brand uses) is the direction the air flows, on almost every fan out there

 

[GerKNG]

the case has zero airflow.
buy yourself a decent cheap case (Gamers Nexus just had their best/worst cases of the year video released)

a montech x3 mesh comes with 6 preinstalled fans and costs ~60-70 bucks.
just a normal PC case alone might improve it by a lot.

next thing would be having a manual fan speed for the cooler and all other fans (i'm not a fan of fan curves since the change in fan speed is more noticeable than a fixed fan speed)
up the fan speed to a value that is okay for your ears.

Unless they have done something very weird with that fan design, thats an intake.
Its possible they've done it backwards to everyone else, but i'd be triple checking and confirming that's the case as its quite uncommon.

Noctua for an example, but the 'flat' side with the stationary plastic support (in whatever various shape the brand uses) is the direction the air flows, on almost every fan out there

View attachment 227049

you can see on his first picture that the fan blades are pushing air out of the case (except when the fan would spin counter clockwise in his case)

 

[Mussels]

the case has zero airflow.
buy yourself a decent cheap case (Gamers Nexus just had their best/worst cases of the year video released)

a montech x3 mesh comes with 6 preinstalled fans and costs ~60-70 bucks.
just a normal PC case alone might improve it by a lot.

next thing would be having a manual fan speed for the cooler and all other fans (i'm not a fan of fan curves since the change in fan speed is more noticeable than a fixed fan speed)
up the fan speed to a value that is okay for your ears.


you can see on his first picture that the fan blades are pushing air out of the case (except when the fan would spin counter clockwise in his case)

with the motor being mounted that way, they either designed their fan backwards, or it's an intake
It's worth looking into

He's using compact ITX so i'm not sure 'change case' is the best solution, as he has a want or desire for that form factor - but high wattage parts like intel 11th gen are simply high wattage and hard to cool, even in full size cases

I cant find reviews of the 11900 specifically (everyones ignoring it?) but the other 65W models have peaks well over 200W on stock settings on many motherboards in all core load

 

[GerKNG]

I cant find reviews of the 11900 specifically (everyones ignoring it?) but the other 65W models have peaks well over 200W on stock settings on many motherboards in all core load

without a powerlimit and no TVB it should run at 4.7 Ghz all core. (100Mhz less than a 11900k)
i'd say R23 would run at around 220-240W (especially when the CPU is hot)

 

[joecool]

its definitely EXHAUST, despite the looks
yes the i9-11900 - despite 65W specs it does not mean shit as I learned in the Intel extreme tuning utility I can see over 220W

 

[Mussels]

its definitely EXHAUST, despite the looks

no worries, worth investigating

The rest is your decision on how you choose to lower the wattage used on that chip, but with ITX and a small air cooler you wont get the maximum performance of an 11th gen intel, they're just too power hungry.

PL1/PL2 limits and an undervolt would be best, any all core OC removes the limiters so that while a game may run at 60C, something that uses AVX might throw you to 100C

 

[GerKNG]

i would limit the CPU to 125W and run R23 (and increase it by 10W) until the CPU ends up running at around 85°C at the end of a 5 minute loop.

 

[joecool]

Beside core voltage - how to best limit power?

MEG Z590I UNIFY​

 

[GerKNG]

Beside core voltage - how to best limit power?

MEG Z590I UNIFY​

go into the bios and make the short and long term powerlimits both to 125W and you have a 125W limit.

 

[joecool]

ok, and what about the core voltage? do you advise to set it all back to auto?

 

[Caring1]

Remove the cable mess blocking the front intake, and lift the rear feet of the case.
Having a GPU that vents into the case isn't helping either.