Will Using Two PCIe 5.0 M.2 Drives on an X870 Board Impact My GPU Performance?
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CraftyPigeon92
Hey everyone! I'm building a new PC with an ASUS X870-PLUS motherboard and I'm curious about how the M.2 slots might affect my GPU's performance. The manual mentions that if I install a drive in the M.2_2 slot (which is PCIe 5.0 x4), the primary PCIe x16 slot will downgrade from x16 to x8. I'm planning to use two PCIe 5.0 M.2 SSDs—one in M.2_1 and the other in M.2_2—for fast storage. My CPU is a 9800X3D and my GPU is a 5080. While I know that PCIe 5.0 might not make a dramatic difference for gaming, I thought that since I'm building a high-end setup, it could be worthwhile. But if this setup is going to slow down my GPU, then it seems counterproductive to spend so much. Any insights?
Answers
Honestly, if you're building primarily for gaming, there's no real need to go for a PCIe 5.0 drive. Even a good quality PCIe 4 drive would do just fine. You'd be better off not worrying about the extra cost for something that won't really impact gaming performance.
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Yeah, putting a PCIe 5 SSD in a PCIe 4 slot won’t really show much of a performance boost. Dropping the 5080 from x16 to x8 will likely slow it down a bit, especially if you’re playing demanding games.
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