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Sakkura

Skylake & Haswell-E PCIe lane misconception

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Then it's technically not the motherboard doing it. Also, add-in cards add cost and complexity. It's more of a workaround than a solution IMO. But at least you have the option.

Yes it isn't the "chipset" but it is a universal feature of the lineup (all cpus and all motherboards).

Besides technically it's a lower latency solution than dmi 3.0 so if you want to really be pedantic, 2011v3 m.2 is theoretically a better solution all-together.


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Which the x99 boards support as well. (again through the cpu socket not the chipset officially)

 

And really the difference between 300 ns and probably 310-350 (from the chipset) isn't a relevant discussion to performance, I was just being pedantic.

 

http://www.xilinx.com/support/documentation/white_papers/wp350.pdf


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Not necessarily lower latency, because you get NVMe support with Z170.

There is indeed additional latency when using PCI-E lanes through the chipset. This doesn't really matter all the much for storage since it's that minute. Where it would matter is when running a GPU through it, especially when you have another that is not.
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Posted · Original PosterOP

Which the x99 boards support as well. (again through the cpu socket not the chipset officially)

 

AFAIK a lot of them don't.

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AFAIK a lot of them don't.

They all do now. They all have since like 1h 2015 (at least all asrock, gigabyte, Asus, and msi boards...)

http://pcdiy.asus.com/2015/04/asus-z97-x99-motherboards-intel-750-series-nvme-ssds-all-you-need-to-know/

http://www.gigabyte.us/press-center/news-page.aspx?nid=1358

http://www.maximumpc.com/msi-throws-weight-behind-nvme-adds-support-x99-z97-and-h97-motherboards/

Note that while many z97 boards have support, they may have limitations based on how the m.2 is implemented (dmi 2.0 or graphics lanes). This is not the case for x99 as no one needed to do chipset in order to support sli.


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Posted · Original PosterOP

They all do now. They all have since like 1h 2015 (at least all asrock, gigabyte, Asus, and msi boards...)

 

Looks like they just rarely update their specifications or compatibility pages then.

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Looks like they just rarely update their specifications or compatibility pages then.

Indeed.


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Indeed.

Yep gotta read dem BIOS / UEFI update change logs.
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Doesn't always help. Look here, for example.

 

For what is probably the most important bit of software on the computer, motherboard BIOS patchnotes always disappoint :/


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For what is probably the most important bit of software on the computer, motherboard BIOS patchnotes always disappoint :/

Its better than most things. I know everything has a changelog but such few things actually publish it.

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for broadwell-e i dont see why they wouldnt make a new chipset

Cause broadwell itself didn't need it which indicates at least significant compatibility with Haswell/-E. Plus on the -E chipset it is fairly standard practice to allow at least two generations to use the product.


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for broadwell-e i dont see why they wouldnt make a new chipset

because it doesnt need one and enthusiast platform gets at least 2 CPU's per chipset

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because it doesnt need one and enthusiast platform gets at least 2 CPU's per chipset

Echo echo! hahah It's all good.


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So, Could I possibly run two 980tis in SLI if I also have a wifi card plugged in with a 6700k? I'm confused about this. I now that each card needs at least 8 lanes to work propely, so Could I do this? The Wifi Card is an Asus PCE AC86

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So, Could I possibly run two 980tis in SLI if I also have a wifi card plugged in with a 6700k? I'm confused about this. I now that each card needs at least 8 lanes to work propely, so Could I do this? The Wifi Card is an Asus PCE AC86

If you use chipset lanes for the wifi card youll be fine usually there is at least one 4x slot usable

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If you use chipset lanes for the wifi card youll be fine usually there is at least one 4x slot usable

I forgot to mention that I also have a Kingston HyperX Predator M.2 SSd. Will that change anything?

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I forgot to mention that I also have a Kingston HyperX Predator M.2 SSd. Will that change anything?

All depends on the layout of the lanes on the motherboard from the chipset
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The SSD uses 4 PCI-E gen 2 lanes, and the MoBo is an MSI Z170A Gaming M7

Download the manual thee will be a whole section for how the lanes are distributed. If you need help interpreting it let me know.
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Just letting everyone know, there is a non-negligible improvement going from any quad core cpu currently on the market with high end SLI builds to a 5820k (and that is with current games that barely tap 3 threads).

 

Would never recommend z series with that.


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So what does this mean for the M.2 slot on some motherboards (namely the ASUS Maximus Hero Viii since I'm using it for my new rig here soon)

I know the M.2 on it will use PCIe 3.0 4x but will that be from the chipset or the CPU?

The reason I'm asking is because I will have two 980Ti in SLI run off the CPU and the other PCI card I need to install is the Elgato Game Capture HD60 Pro so I don't know how this will affect the lanes I will have/need. 

 

The ASUS website also says for the M.2 slot it will run in SATA mode, what does this mean?


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