Replacement fans for GPU?

Fastfishy2 · Jul 24, 2023

Where would I get replacement GPU fans for my RTX 4070 Asus DUAL? I like to have spares on hand. Ideally an exact match but I can't find a model number without pulling my card apart

AsRock · Jul 24, 2023

This early on in it's life ?, normally you'd get them from ebay.

No warranty on the card or some thing ?, you could ask the manufacture.

LabRat 891 · Jul 24, 2023

If you can find pics of the fans' hubs (like, in a detailed review of the card), you might be able to get the model#s off the fans and find them on aliexpress or eBay.
The fans are probably shared with other models, and may already be on eBay, etc. just not listed for the 4070.

Fastfishy2 · Jul 24, 2023

AsRock said:
This early on in it's life ?, normally you'd get them from ebay.

No warranty on the card or some thing ?, you could ask the manufacture.

One of the fans has about 1mm of wobble at the rim when spinning so I'm concerned it's gonna cark it after a while

Mussels · Jul 24, 2023

https://www.google.com/search?q=RTX+4070+Asus+DUAL+replacement+fans

First two hits are replacement fans, third hit is you asking the same question on LTT

Fastfishy2 · Jul 24, 2023

Mussels said:
https://www.google.com/search?q=RTX+4070+Asus+DUAL+replacement+fans

First two hits are replacement fans, third hit is you asking the same question on LTT

View attachment 306023

This is correct, however those first two hits do not have any that exactly match my card, or at least they don't spec them for this card but for triple models that may be different. I also posted on LTT to cast a wider net; someone who uses LTT but not TPU might know something, or vice versa.

N/A · Jul 24, 2023

could be CF1010U12S DC12V 0.45A for ASUS KO RTX 3060 RTX 3060 Ti RTX 3070 V2 OC

consists of two 4 pin fans ending with 7 pin 6 wire I found it on aliexpress

Fastfishy2 · Jul 24, 2023

N/A said:
could be CF1010U12S DC12V 0.45A for ASUS KO RTX 3060 RTX 3060 Ti RTX 3070 V2 OC

consists of two 4 pin fans ending with 7 pin 6 wire I found it on aliexpress

yeah that's the closest I've been able to find. I ordered a pair. Current fan should be okay until they arrive.

AleXXX666 · Jul 24, 2023

aliexpress also has a lot of fans..... not only ebay... :rolleyes:

Dan.G · Jul 24, 2023

You could try using 2 x 120 mm slim fans (something like Corsair AF120 Slim) with an adapter: Asus Graphics Card GPU PWM 7-Pin / 6-Pin / 4-Pin Fan Adapter & Deshroud Cable | eBay
You'll have to eliminate the shroud and never use it, though.
Can't be certain that the ones from Aliexpress are of decent quality: might be loud and / or inefficient.

Fastfishy2 · Jul 24, 2023

Dan.G said:
You could try using 2 x 120 mm slim fans (something like Corsair AF120 Slim) with an adapter: Asus Graphics Card GPU PWM 7-Pin / 6-Pin / 4-Pin Fan Adapter & Deshroud Cable | eBay
You'll have to eliminate the shroud and never use it, though.
Can't be certain that the ones from Aliexpress are of decent quality: might be loud and / or inefficient.

I can get slimline noctuas over here too, my concern has been how to mount them without it looking janky

Shrek · Jul 24, 2023

I wonder if anyone has 3D printed a shroud for Noctua fans
Asus and Noctua Reportedly Prep GeForce RTX 40-Series Boards | Tom's Hardware (tomshardware.com)

Fastfishy2 · Jul 25, 2023

Shrek said:
I wonder if anyone has 3D printed a shroud for Noctua fans
Asus and Noctua Reportedly Prep GeForce RTX 40-Series Boards | Tom's Hardware (tomshardware.com)

Oh what I wouldn't do for a graphics card with easy-to-source replacement fans.

Shrek · Jul 25, 2023

One reason I went fanless

This guy printed a shroud for the Asus ROG RTX 3060 Strix
I FABRICATED The RTX NOCTUA EDITION From A Picture - YouTube
Asus ROG RTX 3060 Strix Noctua MOD by MajorHardware - Thingiverse
so maybe there is one for your Asus RTX 4070

Fastfishy2 · Jul 25, 2023

Shrek said:
One reason I went fanless

This guy printed a shroud for the Asus ROG RTX 3060 Strix
I FABRICATED The RTX NOCTUA EDITION From A Picture - YouTube
Asus ROG RTX 3060 Strix Noctua MOD by MajorHardware - Thingiverse
so maybe there is one for your Asus RTX 4070

How would I go fanless for a 4070 though? I mean, mine has a beefy heatsink, but it isn't designed for passive convection and the card can reach 200w...

Shrek · Jul 25, 2023

I was thinking of a plate that carries standard Noctua fans, and maybe not even bother with a shroud.

Mussels · Jul 27, 2023

Fastfishy2 said:
Oh what I wouldn't do for a graphics card with easy-to-source replacement fans.

That's why I angrily went custom water for my 3090, no ability to source better air cooling.

Fastfishy2 · Jul 27, 2023

Mussels said:
That's why I angrily went custom water for my 3090, no ability to source better air cooling.

See I could go for an AIO solution but I won't touch custom with a 10 foot pole. Wonder if NZXT still do those conversion brackets..

Mussels · Jul 29, 2023

Fastfishy2 said:
See I could go for an AIO solution but I won't touch custom with a 10 foot pole. Wonder if NZXT still do those conversion brackets..

They dont fit modern GPUs
it worked when all they had to do was cool the GPU die itself, but the VRM's and VRAM need the full cooling performance now too (let alone cards with VRAM on the back of the PCB) so they're not compatible.

Even simple changes like variants moving the VRMs to the left or right of the GPU caused headaches because they'd hit the retention brackets on heatsinks for the other components
I've still got my G12 here, but until i find a free/dirt cheap asetek unit it's not worth the price to cool a GTX 1080 (the most powerful GPU i have that fits it)

LabRat 891 · Jul 29, 2023

Mussels said:
but the VRM's and VRAM need the full cooling performance now too (let alone cards with VRAM on the back of the PCB)

This fact keeps me wanting to see SOMEONE build a liquid-tight enclosure around a card for full-submersion cooling (without submerging the whole build).

I suppose, with the right filament, one could 3D print and finish-out a sealable container with fittings for a lines, pump, and radiator. Wouldn't be easy to tackle 'wicking' through...

Fastfishy2 · Jul 29, 2023

Mussels said:
They dont fit modern GPUs
it worked when all they had to do was cool the GPU die itself, but the VRM's and VRAM need the full cooling performance now too (let alone cards with VRAM on the back of the PCB) so they're not compatible.

Even simple changes like variants moving the VRMs to the left or right of the GPU caused headaches because they'd hit the retention brackets on heatsinks for the other components
I've still got my G12 here, but until i find a free/dirt cheap asetek unit it's not worth the price to cool a GTX 1080 (the most powerful GPU i have that fits it)

Yeah I revisited them and the definite no for me was the fact that the auxiliary fan is on the complete wrong side for the 4070's VRMs, not to mention most would blow past the pcb and fail to cool the vram well either. Asus' included heatsink is fantastic, I just wish there were a strong and neatish way to mount noctua slims to that thing... not desperate enough for zip ties.

Waldorf · Jul 29, 2023

@Fastfishy2
i know more than one AIO that failed (incl me), none for the "custom" loops.
some decent AIO stuff (eisbaer/predator), can be upgraded/extended, so lot less complicated/harder to miss (ordering) parts etc when building a custom loop from scratch.
but the biggest improvement would be the lower system (gpu) temps.

gpu aio

Arctic always had great gpu aircoolers, but recent gens already come with bigger heatsinks/fans,
so i guess its not that much of a revenue for them anymore.

Mussels · Jul 31, 2023

The best way if its possible is to just replace the fans - but some GPU designs make that really hard, like blower designs or layouts that use custom sizes

there are custom water AIO' kits, but you still need a block that fits your GPU's PCB and going down that rabbit hole really shows how GPU makers give no shits about compatibility

Fastfishy2 · Aug 1, 2023

Mussels said:
The best way if its possible is to just replace the fans - but some GPU designs make that really hard, like blower designs or layouts that use custom sizes

there are custom water AIO' kits, but you still need a block that fits your GPU's PCB and going down that rabbit hole really shows how GPU makers give no shits about compatibility

Finding fans that are technically compatible and will fit has turned out to be the lesser problem. It'll basically take most Asus axial tech 95mm fans from the last couple of years, bonus compatibility if it's from an Asus KO or Dual. But the basic design between 30 and 40 series seems to really only differ by bearing type.

What's more frustrating is finding a reliable certified outlet, of which there are none. My current order is heading in from GpuFanReplacement and they claim the supplier for that fan is the same OEM that Asus uses. While it all looks to be mechanically identical, I'll have to take their word that the fan is OEM legit

Mussels · Aug 1, 2023

I got ali express ones designed 'exactly' for the blower GTX 970 i had, and all the screw holes were off so i ended up having to hack the crap out of the frame to replace the fan, and it was just as noisy as the original it was replacing -.-

A 3D printer would be amazing for this sort of thing, but the ones i'd trust to hold up to vibrating motors and long term heat are too expensive to be worth it

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Replacement fans for GPU?

Fastfishy2

N/A

AsRock

TPU addict

LabRat 891

Fastfishy2

Mussels

Freshwater Moderator

Fastfishy2

N/A

Fastfishy2

AleXXX666

Dan.G

Fastfishy2

Shrek

Fastfishy2

Shrek

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