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Worth upgrading to a 40 lane CPU and board? - Page 2

post #11 of 24
Quote:
Originally Posted by chessmyantidrug View Post

Doing this research made me realize X99 only has 8 PCI-e 2.0 lanes as well. I guess I'll no longer be considering X99 as a possible upgrade route.

headscratch.gif But why? Chipset lanes suck, let's be honest. The DMI link is the limiting factor, offering only 2GB/s total pre-Skylake. But CPU lanes are good. It's a very low latency, high bandwidth, on-die connection.

Skylake and Z170 right now offer 16+20 lanes, which is 36 total, which I think only matches you X58 system's northbridge (of course, your lanes run at half the speed). Meanwhile X79 and X99 have 40+8 lanes, with the CPU alone offering more lanes than any Z170 system, to say nothing of bonus chipset lanes.
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For Sale: [FS] Z97 system: Xeon and RAM
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post #12 of 24
Thread Starter 
I actually removed the nvme for the time being because I do not see any real world performance increase compared to my samsung 830. boot times are equal etc. it's only benchmarks where it is noticeable or for people that use high read/write demanding apps.

the motherboard seems to have one off now because the second red pcie3.0 slot is stuck at 4x speed. even with cmos reset and downgrade/upgrade bios again.

I have it RMA'd, but until then I'll need either a new Z97 or switch directly to z170 or x99. looking at benchmarks I do not see as you said any increase compared to my current cpu...but having new hardware...! smile.gif
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post #13 of 24
Quote:
Originally Posted by CynicalUnicorn View Post

headscratch.gif But why? Chipset lanes suck, let's be honest. The DMI link is the limiting factor, offering only 2GB/s total pre-Skylake. But CPU lanes are good. It's a very low latency, high bandwidth, on-die connection.

Skylake and Z170 right now offer 16+20 lanes, which is 36 total, which I think only matches you X58 system's northbridge (of course, your lanes run at half the speed). Meanwhile X79 and X99 have 40+8 lanes, with the CPU alone offering more lanes than any Z170 system, to say nothing of bonus chipset lanes.
I'd rather wait on the next X chipset than adopt the current one. X190 or X290 or whatever it's going to be will more than likely offer more PCI-e lanes. Basically my point was the features of the next X chipset will be even more worth the upgrade. I might be going Z170 later this year because I honestly don't need a 6-core system.
post #14 of 24
Thread Starter 
What do you think about this?


  • ASUS LGA2011-v3 5-Way Optimization SafeSlot X99 ATX Motherboard X99-A II
  • 2x G.SKILL 16GB (4 x 4GB) TridentZ Series DDR4 PC4 -25600 3200MHz
  • Intel Boxed Core i7-6850K Processor

Will I be able to use the NVMe in full speed with SLI or will it slow down again?

Recommendations? asus deluxe II maybe?
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post #15 of 24
You are better off getting a 32 GB kit instead of two 16 GB kits.
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post #16 of 24
You'll have all the PCI-e lanes you need to run your NVMe SSD at full capacity and SLI at x8 x8.
post #17 of 24
Thread Starter 
8x8x only? Should it not be 16x/16x?
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post #18 of 24
Worth upgrading to a 40 lane CPU and board? - only if it cures your nightmares , about having to have one.

gaming wise - a waste of space biggrin.gif
post #19 of 24
Quote:
Originally Posted by dante`afk View Post

8x8x only? Should it not be 16x/16x?
I didn't realize you said 6850K. Yes, it should be x16 x16. I would install the sound card into whichever port uses the chipset's PCI-e lanes.
post #20 of 24
Probably x99, I have a pcie adapter for that to put it into a 8x pcie slot.
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