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NGFF on R.O.G motherboards

a5cent
Level 7
Hello everyone

I'm planning my next personal desktop build and need some help understanding Asus' motherboards.

My primary requirements are:
- PCIe based SSD with 2GB/s read/write speeds (must)
- Dedicated graphics card (must)
- Smaller is better (I would prefer a mini-ITX build)

I wasn't really expecting this to be feasible, because I'd need two PCIe slots. One for the GPU and one for the PCIe based SSD, whereas mini-ITX mainboards have but a single PCIe slot.

Then... I came across this post which got me very excited:

http://rog.asus.com/238712013/country/rog-hq/this-is-why-ngff-is-the-best-choice-for-maximus-vi-moth...

The ADATA XNP280 SSD referenced in that post is a PCIe (x4) based solution, offering up to 1.8GB/s read/write speeds. That is close enough to what I'm looking for.

However, it seems as if the m.2 socket on the R.O.G. Maximus VI Impact uses but a single PCIe lane (x1). That would cripple the XNP280 to almost a fourth of its capability. I'm having trouble believing that Asus would tease NGFF compatibility with this great NGFF SSD, if it ends up being no better your average SATA3 based solution. Am I understanding this correctly, or am I missing something?

If this is really only a PCIe x1 solution, then my question is whether there are any Mini-ITX alternatives with a proper NGFF solution providing PCIe x4?

Thanks for your feedback and clarifications!
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Praz
Level 13
Hello

With the Impact having a single x16 PCIe slot it made sense on this platform to tie the M.2 socket to the CPU instead of the PCH.