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PCI Express Bandwidth Test: PCIe 4.0 vs. PCIe 3.0 Gaming Performance & Limited VRAM Memory Buffers | TechSpot
If I got an RX 5700 XT (which is a PCIe 4.0 card), would I experience a performance detriment if I plugged it into a PCIe 3.0 slot? - Quora
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![PCI Express Bandwidth Test: PCIe 4.0 vs. PCIe 3.0 Gaming Performance & Limited VRAM Memory Buffers | TechSpot PCI Express Bandwidth Test: PCIe 4.0 vs. PCIe 3.0 Gaming Performance & Limited VRAM Memory Buffers | TechSpot](https://www.techspot.com/articles-info/2396/images/2022-01-16-image-4.jpg)