I'm currently using a 5070 Ti graphics card and I'm trying to decide whether to install my sound card in the PCIe1 slot located directly under it or to move it to the bottom PCIe16 slot on my motherboard. I'm not planning on overclocking or pushing my system too hard. I'm just a bit concerned about possibly blocking the GPU fan if I install it under the GPU. What do you think is the best option?
5 Answers
Honestly, in 2025, you might be better off with an external DAC, especially if you're into high-quality audio. Many motherboards come with decent onboard audio now, but if you've already noticed poor sound quality, a dedicated sound card could be a worthwhile upgrade!
Most onboard audio options are pretty decent these days, so unless you’re into high-end audio setups, a dedicated sound card might not be necessary. But if you really find that your onboard sound is lacking, fitting it in the bottom slot could be the way to go.
A sound card in 2025? What are you mainly using your PC for? If it’s gaming, yeah, I get it, but it sounds like the onboard audio isn't cutting it for you. Some boards really do have terrible sound output that can ruin the experience.
I recommend the bottom slot for sure. Not only does it allow for better air circulation for your GPU, but sound cards don't require much bandwidth so they can easily share lanes with other components without an issue.
It's generally better to place the sound card in the bottom slot. The slot under your GPU could be taking up valuable lanes from your graphics card, and most audio cards don’t really need that much bandwidth anyway. Plus, placing it lower can help improve airflow for your GPU, which is always a plus!

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