Grey Goop In PSU

[JayCoh47]

Hey all, first time posting in the forum. So I am starting a new build and had chosen the Corsair AX1200i PSU to power the thing. I swap out the fan on the PSU with a quieter noctua fan on almost all my builds, with this one being no different. However, when I popped the thing open, I saw something I've never seen before. There seem to be giant gobs of grey goop (hardened) in multiple places throughout the PSU. Also, the fan header seems to be glued to the board, which is an inconvenience but solvable. But the grey goop?!? Anyone ever seen this before? What is it?

[LIGISTX]

2 minutes ago, JayCoh47 said:

Hey all, first time posting in the forum. So I am starting a new build and had chosen the Corsair AX1200i PSU to power the thing. I swap out the fan on the PSU with a quieter noctua fan on almost all my builds, with this one being no different. However, when I popped the thing open, I saw something I've never seen before. There seem to be giant gobs of grey goop (hardened) in multiple places throughout the PSU. Also, the fan header seems to be glued to the board, which is an inconvenience but solvable. But the grey goop?!? Anyone ever seen this before? What is it?

It’s likely just hot glue or epoxy to hold everything in place. Also... why even change out the fan? Unless your running a triple or quad GPU setup, or I guess overclocking a threadripper with SLI 2080ti’s, I doubt the PSU fan will ever even turn on lol. 

[AbydosOne]

2 minutes ago, JayCoh47 said:

What is it?

It's adhesive used to hold components to prevent stress fractures and vibrations.

[bcredeur97]

most likely it's some sort of high temperature glue that's there to hold things together + I guess maybe there is so much around the coils to help prevent coil whine? 

[Guest]

So none of you guys have ever read a PSU review and seen this in... like... a million different PSUs?

 

 

[JayCoh47]

Thanks all! The build continues...

[Spotty]

5 hours ago, JayCoh47 said:

I swap out the fan on the PSU with a quieter noctua fan on almost all my builds, with this one being no different.

But why? Did you try using it with the stock PSU fan and have issues with it?

You haven't seen the caulk in the previous power supplies you swapped fans in? 

[Algebruh]

14 hours ago, JayCoh47 said:

I swap out the fan on the PSU with a quieter noctua fan 

 

 

OOF.

Noctua fans are not designed to be used in PSU.

[quan289]

It's one thing to like replaced the PSU fan out-of-warranty when it breaks, but why not get a PSU with a low noise, high-end fan in the first place, if low noise is a concern? Like the BeQuiet Dark Power Pro series. Just because the dBA rating at a particular RPM is lower than the one used in a PSU does not mean that that Noctua fan is a suitable replacement to be used in a high-static pressure environment like a PSU; especially one with that high of an output wattage.

 

 

[Ralf]

2 hours ago, quan289 said:

Just because the dBA rating at a particular RPM is lower than the one used in a PSU does not mean that that Noctua fan is a suitable replacement to be used in a high-static pressure environment like a PSU; especially one with that high of an output wattage.

But God Noctua God makes award winning fans, so they are above everything else.

21 hours ago, jonnyGURU said:

So none of you guys have ever read a PSU review and seen this in... like... a million different PSUs?

Will OP lose the 10years old warranty that comes with the psu?

[Guest]

4 minutes ago, Ralf said:

But God Noctua God makes award winning fans, so they are above everything else.

Will OP lose the 10years old warranty that comes with the psu?

Yeah... Not only is the Noctua fan not going to be able to push as much air as the stock fan, but OP voided his warranty.

 

[Mateyyy]

21 hours ago, JayCoh47 said:

I swap out the fan on the PSU with a quieter noctua fan on almost all my builds, with this one being no different

Did you even try out the PSU with its stock fan first..?

22 minutes ago, Ralf said:

Will OP lose the 10years old warranty that comes with the psu?

Yes, opening up a power supply will void your warranty and is generally not advisable to begin with.

18 minutes ago, jonnyGURU said:

Yeah... Not only is the Noctua fan not going to be able to push as much air as the stock fan, but OP voided his warranty.

Eh.. wouldn't it depend on what exact Noctua fan OP is using? Something like an industrialPPC NF-A14 should fare alright I would imagine, though I don't know about their regular non-iPPC lineup of fans.

[Guest]

46 minutes ago, Mateyyy said:

Did you even try out the PSU with its stock fan first..?

Yes, opening up a power supply will void your warranty and is generally not advisable to begin with.

Eh.. wouldn't it depend on what exact Noctua fan OP is using? Something like an industrialPPC NF-A14 should fare alright I would imagine, though I don't know about their regular non-iPPC lineup of fans.

Static pressure still isn't very good until you push the RPMs up so high that it becomes louder than any other fan on the market.

 

Unfortunately, Noctua never publishes true PQ curves.  They only post CFM vs. RPM curves.  Which benefits them because it always makes their fans look quieter than they actually are.