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post #2671 of 2898
anyone has idea how much could the FETs differs in height? i have some idea to get a better heat transfer but if some of them has lower height, this might cause overheat on that FET
also, do you think Asus Strix's heatsink is no more than aesthetic pleasing? i mean.. they looks like a chunk of aluminum and no fins at all
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post #2672 of 2898
Quote:
Originally Posted by sakae48 View Post

anyone has idea how much could the FETs differs in height? i have some idea to get a better heat transfer but if some of them has lower height, this might cause overheat on that FET
also, do you think Asus Strix's heatsink is no more than aesthetic pleasing? i mean.. they looks like a chunk of aluminum and no fins at all
It looks bad but from my tests it gets its work done.
I had an idea with it but it was too difficult.
post #2673 of 2898
Quote:
Originally Posted by VRMfreak View Post

It looks bad but from my tests it gets its work done.
I had an idea with it but it was too difficult.

well, yeah.. i don't have any throttling at all but, it seems like Prime's heatsink does better since there's some slit to let the air dissipate heats. i'd like to replace the thermal pad w/ ceramic pad and thermal paste. what do you think? i also might do some hackjob for choke cooling. I don't abuse them w/ extreme overclock but i'd like to make them runs a bit cooler for prolonged 24/7 usage
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post #2674 of 2898
Quote:
Originally Posted by sakae48 View Post

well, yeah.. i don't have any throttling at all but, it seems like Prime's heatsink does better since there's some slit to let the air dissipate heats. i'd like to replace the thermal pad w/ ceramic pad and thermal paste. what do you think? i also might do some hackjob for choke cooling. I don't abuse them w/ extreme overclock but i'd like to make them runs a bit cooler for prolonged 24/7 usage
Yeah, should be fine.
I will eventually replace the thermal pad as well.
post #2675 of 2898
Okay, so i've got info about the Strix B350-F VRMs.
The guy ran Ryzen 7 at 1.363V, 3.7GHz. This is very close to R7 maximum, the CPU eats 120W at that config and it is overclocked on the edge you would want on B350 mobo or Ryzen CPU daily in general (voltage-wise)
The VRM sensor had 75-80°C and that is on mosfets.
From my measurments, the heatsink is usually 10°C colder.
This means that with reasonably OCd R7, the Strix runs 70°C on the heatsink at the worst.
post #2676 of 2898
Quote:
Originally Posted by VRMfreak View Post

Yeah, should be fine.
I will eventually replace the thermal pad as well.

hmm.. i might do this!
i want to do the same thing to the chipset but ehh... there's Asus hologram sticker across the screw frown.gif
Quote:
Originally Posted by VRMfreak View Post

Okay, so i've got info about the Strix B350-F VRMs.
The guy ran Ryzen 7 at 1.363V, 3.7GHz. This is very close to R7 maximum, the CPU eats 120W at that config and it is overclocked on the edge you would want on B350 mobo or Ryzen CPU daily in general (voltage-wise)
The VRM sensor had 75-80°C and that is on mosfets.
From my measurments, the heatsink is usually 10°C colder.
This means that with reasonably OCd R7, the Strix runs 70°C on the heatsink at the worst.

1.36v for 3.7GHz? that's quite high. silicone lottery i guess?
mine runs at 1.337v for 3.78GHz
so, at that voltage, it runs around 75-80C? not that bad..
Edited by sakae48 - 9/23/17 at 1:17am
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post #2677 of 2898
Quote:
Originally Posted by sakae48 View Post

hmm.. i might do this!
i want to do the same thing to the chipset but ehh... there's Asus hologram sticker across the screw frown.gif
1.36v for 3.7GHz? that's quite high. silicone lottery i guess?
mine runs at 1.337v for 3.78GHz
so, at that voltage, it runs around 75-80C? not that bad..
This means that B350-F stock absolutely trashes other B350 VRMs and as you can see from the graphs somewhere in this thread, is on par with MSI X370 Carbon (Same VRM as B350 Carbon/Krait). For example, Garbagehawk had 90°C on heatsink (!!!!) with similiar settings as the guy who ran the R7, he must've had heatsink at 70°C maximally, more likely 60-65°C.
I will replace the stock thermal pads with Fujipoly Exteme or Ultra Extreme, they are expensive as hell but should improve the temps quite a lot.
post #2678 of 2898
I thought the strix b350 was using asus b350 plus parts.

If so i was able to get that to 158c.

Id hardly call that a thrashing.

Fuji poly pads are pointless as far as comparisons go.

Jacks price of board up to another tier.

Why bother when buying just better board is more cost effective.
Edited by chew* - 9/23/17 at 5:07am
post #2679 of 2898
Quote:
Originally Posted by chew* View Post

I thought the strix b350 was using asus b350 plus parts.

If so i was able to get that to 158c.

Id hardly call that a thrashing.

Fuji poly pads are pointless as far as comparisons go.

Jacks price of board up to another tier.

Why bother when buying just better board is more cost effective.
It uses the same parts, probably better caps (the ones for the entire Strix line).
I mean, if i want a decent X370 like the Prime, i have to hand out $200 which i wont have until the end of the year and i wanted to invest into decent 144Hz 1080P screen.
Strix B350 has most likely better heatsink than the Prime.
I will have 4GHz/1.365V results coming in most likely today.
it trashes most of its competition in B350s
I mean, i can hand out 13 or 15 euros for the pad or $250 for X370 Strix.
post #2680 of 2898
The good fuji poly are like $100 usd.
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