Am5 Motherboard help

francocov

francocov

francocov

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Joined
13 Mar 2025
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5
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West Midlands
Hi Guys,

I appologise in advance I am about to build a new pc and was looking at the 9800x3d but struggling to find what board to go for as the more I read the more I find things like Coil Whine or boot hanging or long times booting amongst other issues.

I know all boards are not 100% and I do appologise as I can see there is dedicated threads by owners of some of the main choices but a lot of them are old and without going through each thread wanted to know after time has passed what would be the recommendations on board?

Normally I go for the mid range Asus ROG so in terms of budget looking around the £200-£250 mark maybe minimum of 3 m2 slots that can be used without impacting performance elsewhere. and I was going to add 2x32gb vengenance 6000 ddr 5 memory as I believe this is the sweet spot as I do Racing / flight sims so think the extra 32gb would be benificial :)

I will be keeping my 3090 for now until i can find a decent priced 4090 as I dont think the 5090 is going to be much of a step in VR

Thanks again for your help, much appreciated :cool:
 
francocov said:
Hi Guys,

I appologise in advance I am about to build a new pc and was looking at the 9800x3d but struggling to find what board to go for as the more I read the more I find things like Coil Whine or boot hanging or long times booting amongst other issues.

I know all boards are not 100% and I do appologise as I can see there is dedicated threads by owners of some of the main choices but a lot of them are old and without going through each thread wanted to know after time has passed what would be the recommendations on board?

Normally I go for the mid range Asus ROG so in terms of budget looking around the £200-£250 mark maybe minimum of 3 m2 slots that can be used without impacting performance elsewhere. and I was going to add 2x32gb vengenance 6000 ddr 5 memory as I believe this is the sweet spot as I do Racing / flight sims so think the extra 32gb would be benificial :)

I will be keeping my 3090 for now until i can find a decent priced 4090 as I dont think the 5090 is going to be much of a step in VR

Thanks again for your help, much appreciated :cool:
Click to expand...

The boot times have been fixed with Ryzen 9000 so you're OK there.

What you really need to think about is the new integration of USB4 and if you need it or not.

If no then your easiest option is to look at B850 motherboards, because X870 is a mess, especially in your price range, theres lanes sharing left right and centre because of USB4, and 3 M2 drives are going to effect you GPU x16 slot.

So something like the ASUS Gaming TUF B850 Plus WiFi should meet your needs https://www.asus.com/uk/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850-plus-wifi/
 
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Thanks guys really appreciate the quick responses

So if i want the M2 slots with no performance hit elsewhere do I stay away from x870 then ? Dont think I am going to use USB4 as I will need usb 4 devices to benefit the performance.

Good to hear about the boot times being resolved.
 
francocov said:
Thanks guys really appreciate the quick responses

So if i want the M2 slots with no performance hit elsewhere do I stay away from x870 then ? Dont think I am going to use USB4 as I will need usb 4 devices to benefit the performance.

Good to hear about the boot times being resolved.
Click to expand...

Yes thats right, if you go X870E you need to read the spec sheets very carefully for each board you're interested in to see what gets shared, some allow you to disable USB4 and claw back the 4 PCI lanes it steals then use them for an M.2 drive, others dont and just disable x16 slots and reduce the main x16 slot to x8.

Many have said it before, AMD's X870 design called for the 4 lanes the USB4 ports need to be taken from the CPU, and because of that, it messes up the lane sharing thing, they could have taken them from the chipset instead which is what X670E with USB4 does, I guess this is something they may look at and hopefully fix with the next generation of boards.

For now, if you dont need the USB4, then the easiest way to get around it is B850, even the MSI B850 Tomahawk looks quite promising, it has 2 Gen5 M2 slots and 2 Gen4, the 3rd M2 slot shares lanes with the very bottom x16 slot, but thats the only lane sharing going on, so you could use M2 slots 1, 2 and 4 without loosing anything. https://www.msi.com/Motherboard/MAG-B850-TOMAHAWK-MAX-WIFI/Specification
 
Thanks for the advice...

So thinking of getting this Tomahawk as it looks stable, however trying to find a compatable rgb 2x 32gb expo kit is something else... I was going to get the corair vengenace 64gb kit (CMH64GX5M2B6000Z40) but after checking the compatability list for memory on the msi site and this was not listed?

Anyone have or know what black RGB 2x 32gb 6000 ddr5 memory around the £200ish mark that is compatable and worth having?

Many Thanks ;)
 
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francocov said:
Thanks for the advice...

So thinking of getting this Tomahawk as it looks stable, however trying to find a compatable rgb 2x 32gb expo kit is something else... I was going to get the corair vengenace 64gb kit (CMH64GX5M2B6000Z40) but after checking the compatability list for memory on the msi site and this was not listed?

Anyone have or know what black RGB 2x 32gb 6000 ddr5 memory around the £200ish mark that is compatable and worth having?

Many Thanks ;)
Click to expand...
Yeah it does look like a pretty decent board, and theyve taken advantage of all the Gen5 lanes from the CPU, so you get 16 for the GPU slot, and 4 + 4 for M2 slots 1 and 2, thats the 24 lanes from the CPU lanes used up, the rest are all Gen4 from the chipset with just that M2 number 3 slot sharing lanes with the bottom x16 slot which can be changed in the bios.

And yes that RAM kit should work fine.
 
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