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Multi-million dollar Cheyenne supercomputer auction ends with $480,085 bid — buyer walked away with 8,064 Intel Xeon Broadwell CPUs, 313TB DDR4-2400 ECC RAM, and some water leaks
gtx 1080 sli at 2 x16 not 8x & 8x
- Thread starter otaboy97
- Start date
Solution
Greeko85
Honorable
- Oct 3, 2015
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The limitation would be your processor as from memory most mainstream processors, including the 8700k, have limited PCI-E lanes. So you can run a single card at x16 or 2x8 or 1x8+2x4 etc. Bottomline though is the difference between x16x16 and x8x8 would be minimal if any at all, I wouldn't worry about it.
rodolphe.viard
Reputable
- Feb 27, 2018
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Hi otaboy97,
The number of PCI-e Lanes are bound to the CPU.
The 8700K has 16 lanes avaislable according to Intel (https://ark.intel.com/products/126684/Intel-Core-i7-8700K-Processor-12M-Cache-up-to-4_70-GHz)
So your cards will run on x8 Each one.
But don't worry, in x8 config, you have enought bandwidth!!
Rodolphe.
The number of PCI-e Lanes are bound to the CPU.
The 8700K has 16 lanes avaislable according to Intel (https://ark.intel.com/products/126684/Intel-Core-i7-8700K-Processor-12M-Cache-up-to-4_70-GHz)
So your cards will run on x8 Each one.
But don't worry, in x8 config, you have enought bandwidth!!
Rodolphe.
rodolphe.viard
Reputable
- Feb 27, 2018
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Today, SLI for gaming is dying. And the price you put in 2 1060 to equalize with a 1080 cost more than a single 1080 so there's no point doing that.
Greeko has already completed with the meaning of synthetic benchmark, they are "unrealistic", it's just to compare different setups.
Rodolphe.
Greeko has already completed with the meaning of synthetic benchmark, they are "unrealistic", it's just to compare different setups.
Rodolphe.
two cards at X16 perform really no better than two on X8 lanes anyway, as the current GPUs are not saturating even 8 lanes of bandwidth, much less 16....
(Think of it as akin to thinking throughput will be increased hooking up a CD ROM only capable of 5 MB/sec beingbeing connected over over SATA III over SATA II interface...)
(Think of it as akin to thinking throughput will be increased hooking up a CD ROM only capable of 5 MB/sec beingbeing connected over over SATA III over SATA II interface...)
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