[TH] Asus B450 and X470 Motherboards That Support PCIe 4.0 - Overclock.net - An Overclocking Community

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[TH] Asus B450 and X470 Motherboards That Support PCIe 4.0

 
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post #1 of 3 (permalink) Old 07-12-2019, 05:06 PM - Thread Starter
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[TH] Asus B450 and X470 Motherboards That Support PCIe 4.0

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The biggest surprise is that there is better PCIe 4.0 support on Asus' B450 motherboards than on the higher end X470 offerings. The flagship ROG Crosshair VII Hero, which boasts a $274 price tag, can't run the first PCIe x16 slot at PCIe 4.0 speeds, while the TUF B450M-Plus Gaming, which goes for $90, supports PCIe 4.0 speeds on both the PCIe x16 and the M.2 slots.

Out of the entire X470 stack, only the ROG Strix X470-F Gaming and the Prime X470-Pro are able run a PCIe 4.0 graphics card at x8 speed and PCIe 4.0 SSD at x4 speed. With the exception of the models from the ROG Strix line, the majority of Asus' B450 motherboards can do x16 and x4.
Source.


Alrighty then, that's interesting. Probably the best option for a Ryzen 5 3600 too.

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post #2 of 3 (permalink) Old 07-12-2019, 05:19 PM
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Disappointing that the flagship Crosshair VII Hero can only run the M.2 slot at PCIe 4.0 but not the PCIe x16 slot. But then lower models are able to run both?

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post #3 of 3 (permalink) Old 07-14-2019, 02:29 AM - Thread Starter
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https://www.anandtech.com/show/14639...-series-boards


Oh well, it looks like if you want PCIe 4.0 on 400 series boards you'll have to stick with beta BIOSes. If there are boards that are technically capable of PCIe 4.0, AMD should make an exception though, in my opinion.

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