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2 vertical mounted rtx 4000 ada

Cypher^64

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xentr_thread_starter
im replacing a single sff rtx 2000 ada (2 slots) with two full height single slot rtx 4000 ada gpus and want to vertical mount them in a thermaltake tower 300

Anyone see any issues with using this mount with an extra riser cable. I saw riser cables on amazon that have the cable coming out the otherside vs the factory one to try and avoid cable routing issues

Lian Li Accessory Universal 4-Slots Vertical GPU Card Holder​


 
Wait, isn't the 300 already a vertical tower with mounting to accommodate? I may be missing something, but why do you need the accessory kit at all?

Also curious why 2 GPUs? I'm guessing you'll be running in to pcie bandwidth issues for the second card.
 
So, the plan is to have the second riser cable running under the adapter (thus coming in from the other side)? The biggest issue I can see would be ensuring that you have a long enough riser cable to reach all that way, and that the cable is flexible enough to be able to route under the mounted PCB.

I'd be more inclined to suggest modding the mount by cutting out the "floor" just aft of the furthest mount points so that you can thread the second riser cable under the first card.

adapter cut-out.webp
 
xentr_thread_starter
Wait, isn't the 300 already a vertical tower with mounting to accommodate? I may be missing something, but why do you need the accessory kit at all?

Also curious why 2 GPUs? I'm guessing you'll be running in to pcie bandwidth issues for the second card.
Yea. I’d like the fan facing out.

2 one for the llm and one for image generation. Both done on the gpu so pcie bandwidth isn’t really a concern
 
You should be fine running that setup. The Lian Li kit is solid, and PCIe 4.0 risers usually don’t cause issues as long as you stick with a decent quality one (cheap no-name risers can be hit or miss). The main thing is clearance and airflow - two full height cards mounted vertically in the Tower 300 will get pretty close together, so temps could creep up if they don’t have enough space to breathe. If you’ve got good case airflow, it should work.
 
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