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Can anyone explain MSI's VRM to me?

post #1 of 7
Thread Starter 
I am about to order the MSI P67A-GD65 but I am a little weary about it's VRM. I read that it's only 6 phase but uses the super ferrite chokes. What does this compare to in terms of regular vrm? Is this board going to be nice and steady when I am trying to push my 2600k up to 5ghz?
post #2 of 7
Yeah i would like to know what so SUPER are those super ferrite choke
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post #3 of 7
If you're worried about VRMs, then don't look to the chokes, a choke is simply an inductor, and highly unlikely to be your problem. "Super Ferrite Core" and whatever is just the usual marketing hype. What you should really be concerned about, as has proven to be the undoing of the VRM of late are the MOSFETs. There is another thread posted just a few hours ago where someone researched that MSI has been using Nikos MOSFETs for their VRM area, and suspects them to be the issue. See if you can find out what this board uses.

One nice thing about 6 phase power is that it splits the VRM area up, spreading out the heat. If you are really worried you can buy MOSFET coolers, or just wait til either more people report on the stability of their SB builds and/or other boards come back into stock.

EDIT: The other thread claims the NIKOS mosfets are used on non-DrMOS mb's, this one benig a DrMOS board, that might not apply.
Edited by ocpokey - 3/7/11 at 6:26pm
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post #4 of 7
I honestly don't know how much is marketing hype and how much is real-world performance information, but MSI is using Panasonic electronics as can be seen in their military class certification spreadsheet.
http://www.msi.com/news-media/news/1206.html

From what I read, the VRM phases (if that's what you're concerned with) operate at 4x the switching speed, and as such are considered 24 phases. This doesn't make sense as the Marshall supposedly has this many physical phases using the same kind of switching technology. (24x4??)

How important the number of phases/switching speed translates to overclocking ability is something I'd like to see as the sheer amount of marketing hype is just silly. I used to build amplifiers a long time ago, and I do know that the more power phases you have, the cooler and more clean the power supplied is, but that's dealing with thousands of watts, not the couple hundred that is found in your PC.

Maybe someone else that has better googleFu than I, or some industry experience and can shed some light in on this.
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post #5 of 7
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I think I'm going to go ahead and pull the trigger. If I get it and find I don't like it there's always the 30 day refund policy of newegg.
post #6 of 7
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Originally Posted by Shiveron View Post
I think I'm going to go ahead and pull the trigger. If I get it and find I don't like it there's always the 30 day refund policy of newegg.
My thoughts exactly. I was questioning all of this and decided to just go for it.

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post #7 of 7
While I'd probably say just go for it myself, as I think it will likely be ok, you should beware that NewEgg charges a 15% restocking fee on returns, so it's not a totally free try if you're not satisfied.
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