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post #11 of (permalink) Old 07-31-2017, 01:06 AM - Thread Starter
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Originally Posted by CrazyElf View Post

Warning: Spoiler! (Click to show)

That picture is pretty awesome to take a look at the VRMs. smile.gif
I'd interpret the design like that:

In detail I'd expect the powIRstages to be IR3555 parts, the IR35201 running in 5+X mode and five more IR3599 on the backside.

Besides MSI the other manufacturers have their product pages online by now:

ASRock Fatil1ty X399 Professional Gaming
ASRock X399 Taichi
-> 8x IR3555, most likely driven by one IR35201 running in 8+0 mode for CPU VCC.

Gigabyte X399 Aorus Gaming 7
Again 8 phases equipped with powIRstages, driven by a IR controller. Seems to only have two Soc phases.

Originally Posted by AlphaC View Post

Gigabyte supposedly will be using 8 phase IR3553 per Gamers Nexus

On the picture on their website you can see that the powIRstages used aren't IR3553 packages.
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