2 different Ram Pin type in the same motherboard? Why?

igotperks · May 2, 2016

Returning Geek, First time poster, be gentle

I was recently looking on newegg at the micro and mini itx boards. In which I see this: http://www.newegg.com/Product/Product.aspx?Item=N82E16813157581

Ive never seen a board with both styles of Pin connectors. What is the purpose for this? Does it just give a wider variety of Ram to be used? or is there more to it than that? Can you even use a 184 pin ram on 240 pin slot banks? Thanks for any information, this is really just to satisfy my curiosity.

Robert Cook · May 2, 2016

well that socket supports chips that like skylake can support two types of RAM. Skylake can support DDR3L ( L for low voltage) and DDR4. This is pretty much the same thing. as that large list of supported chips mentions, technically you could throw in DDR2 ( even though that stuff is now expensive) and watch the performance drop, but it would still run. Sadly though you can only use DDR2 and DDR3 no DDR or DDR4. Also considering you cannot put more than a 90 watt chip in there, this is really no performance board.

kanewolf · May 2, 2016

You can use one type OR the other. You can use ALL DDR2 or ALL DDR3 you can't mix.

Robert Cook · May 2, 2016

kanewolf :

Thanks for pointing that out.

Rogue Leader · May 2, 2016

That specific board is one AsRock made to fit a very niche market segment of folks still looking to upgrade an old PC or replace the board on an older AMD PC, especially one with a mish-mash of parts. Normally boards do not accept 2 types of RAM (and in the example of Skylake, there are specific DDR3L and DDR4 boards).

Its also why it will take AM2 and AM3 processors it was made this way so either group can replace their board. Its not a performance board at all, its more of a catch all for folks who just want to fix a system with a dead motherboard.

Deleted member 217926 · May 2, 2016

Very few boards have ever supported 2 types of RAM like that and all of them were always released when a new standard was coming online. So that board is from when DDR3 was very new and expensive. To be honest I've never seen an AMD board that did that before. Some LGA775 boards supported DDR2 or DDR3 and some new LGA1151 boards support DDR3L and DDR4. It's rare though.

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2 different Ram Pin type in the same motherboard? Why?

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