Gigabyte Aorus Master - chipset cooler stops me using graphics card in the 16x. What are my choices?

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***IMPORTANT UPDATE*** The opening post of this thread might lead you to believe that Gigabyte 3090 Eagle and Aorus master are not playing nice together - this is not true - they are fine. The problem came from the fact that the motherboard was an "Open Box" product that someone at the retailer had been using and clearly experimenting with. The heatsink had been removed at some point and then not correctly seated on the motherboard - hence the 3090 in the 16x slot clashing with the heat sink. It's now fixed and working great - there is NO PROBLEM with Gigabytes Aorus X570 Master and Gigabyte 3090 Eagle GPU


Hi all, I wonder if you could help.

I recently upgraded from a 1920x Threadripper to a 5800x R7 so I got an Aorus Master motherboard but sadly the chipset cooler on this board is not flat - it has a raised top on it...and now I can't install my Gigabyte 3090 in the 16x slot (top slot looking at the board). So at the moment, I have the card in the next slot down, which is only a 8x slot - I've not seen a performance penalty, but I'm wonderingf if there is an alternative chipset heatsinks or cooler for this motherboard?

I wrote to esupport at Gigabyte and they said they don't provide an alternative...which is annoying because the Mobo is Gigabyte and the Eagle 3090 is Gigabyte too - but nowhere on either product does it say that you can't install the massive GPU in the 16x slot on this motherboard.

Very frustrating.

Any advice or assitance would be very welcome.

Someone advised that I tag @GIGA-Man in this post
 
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No. I've not found anything either. I bought the Mobo as an "open box" from ****** and although a couple of NVME stand offs are missing (another pain in the butt) the heatsink itself seems to be seated correctly. Such a pain that it's been manufactured in a way that their own GPU's doesn't fit with one of their premium mobos
 
Some progress. Found a PCIe 4.0 riser...hopefully can go back to 16x and probably a vertical mount instead. Wrote to gigabyte about missing NVMe stand-offs and they are gonna send me two. Result. My only concern now is my case not being able to take a vertically mounted card because it's 3 slots wider and there only appears to be a double slot for vertical mounting. Hahaha. Nightmare continues maybe.
 
The 3090 simply doesn't fit - won't clip inot the 16x slot. Even in the 8x slot, the tolerance is about what you have there ~1mm - one end of the heatsink is about 11mm from the board surface to the top of the metal and the other end (right side of the heatsink in your picture) is about 15mm....at the 11mm end - I only have ~1mm tolerance...wish there was an alternative sink to put on top of it.

Can't believe that no one inside gigabyte actually tried out their premium boards with their own premium cards. Thanks for the picture BTW.

Excuse the vertical format...but here you can hopefully see the issue...the card in the 8x slot is already tight...as the heatsink height rises on the right hand side, at it's maximum height it is anothre 4mm higher at least...and that is right in line with the 16x slot.

UlkCUiQ.jpg
 
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OK so I tracked down the problem with the fitting. Because this motherboard was an open box product from an online retailer...it had been used and clearly dismantled at some point. Having stripped the computer down again last night, I noticed a missing screw in the backplate heat shield thingy...and two of the screw holding it in place were very loose....so I took the back plate off and then had a look at how the heat sink was mounted. It hadn't been put back on correctly....once I removed the heat sync I could see that the cable for the fan was in the wrong place...it straighten that out, re-seated the heatsink correctly...screwed it back in correctly and then replaced the backplate. Before even fitting it - I tested out the 3090 seating in the 16x slot and hey presto...it DOES fit! This is NOT a problem with the board and card...it a problem with not quite knowing what you're getting on an Open Box deal ;) So I will update the opening post with an update so know has to be put off by suspitions of this combination. In all fairness to Gigabyte - it's not their fault...it's some IT guy at a retailers fault :) Glad it's sorted now though - ran a bunch of benchmarks on it last night and it's performing extremely well. In the 98th percentile of most benchmarks....and this is not overclocked to high heaven nor cooled by LN2...it running on with a BeQuiet PureloopAIO water cooler - virtually silent - and I'm very happy with this build again :)

Subject closed - happy for admin to remove this thread.
 
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Before you do that...do you hear any rattling of the backplate on the motherboard? This was the clue that perhaps it had been off and this in turn led me to discover that someone else had had the chooser cooler off and not reseated it correctly. Double check the cooler is on correctly and then give the card a firm push too once confirmed. Hopefully that can help. It should fit, but yeah the cooler height is an issue if not fitted correctly.
 
Not comfortable being that tight is it? But yeah - squish it in there and hope for the best hahaha....on a £1500 card...yikes
 
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