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[TH] PCI Express 4.0 Brings 16 GT/s And At Least 300 Watts At The Slot - Page 4

post #31 of 151
Quote:
Originally Posted by MrStrat007 View Post

I meant total power draw through the motherboard. Those of us who have 2x 300-Watt GPU's which have been OC'ed past that limit and overclocked CPU's as well, that's a lot of power flowing through one component. 8x75 = 600 + whatever the CPU is at, figure another 150-200 at high clock, 800ish is not far from 1000...

Traces will always be required so long as power needs to move from point A to point B. Whether they're on an outside layer or sandwiched somewhere in the middle we don't and won't know but they would still be needed.

I guess you're scared of quad xeon server mobos then? biggrin.gif
I'm just joking, but there are already boards who do that, and a move to 12vdc would potentially change layout, connectors and how mobos use power today.
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post #32 of 151
No problem use 10 gauge copper layers. Might even spread the heat around too rolleyes.gif
post #33 of 151
Is there anyone else out there that finds this a little bit ironic? I mean, they're just moving the power output to the slot, but in the end, high-end cards that use more than 300-watts will still have add-in power cables. So.... what's the point?
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post #34 of 151
I wouldn't want to move away from PCI-E power cables. Having to run more power through longer distances on smaller motherboard traces will just make the MB hotter, make them more expensive, and lower quality of delivered power.
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post #35 of 151
I guess OEM s would have freedom from not having ugly cable management
Quote:
Originally Posted by Mad Pistol View Post

Is there anyone else out there that finds this a little bit ironic? I mean, they're just moving the power output to the slot, but in the end, high-end cards that use more than 300-watts will still have add-in power cables. So.... what's the point?
post #36 of 151
Quote:
Originally Posted by Mad Pistol View Post

Is there anyone else out there that finds this a little bit ironic? I mean, they're just moving the power output to the slot, but in the end, high-end cards that use more than 300-watts will still have add-in power cables. So.... what's the point?

Based on the quote 300W is the "minmum" spec they are currently discussing, 400W or 500W have been mentioned as possibility by that PCI-SIG person as well.
Quote:
Solomon stated that the minimum would be 300W, but the ceiling “may be 400 or 500W."
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post #37 of 151
Quote:
Originally Posted by Mad Pistol View Post

Is there anyone else out there that finds this a little bit ironic? I mean, they're just moving the power output to the slot, but in the end, high-end cards that use more than 300-watts will still have add-in power cables. So.... what's the point?

If you read the article, it says 300W is the minimum. 400W or 500W is the ceiling/target.
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post #38 of 151
Quote:
Originally Posted by Mad Pistol View Post

Is there anyone else out there that finds this a little bit ironic? I mean, they're just moving the power output to the slot, but in the end, high-end cards that use more than 300-watts will still have add-in power cables. So.... what's the point?

What 300+ watt high-end cards are you referring to? Also, isn't there a drive for lower power consumption and better efficiency? Seems to me that all the high end GPUs from the recent generations are under 300W if you exclude dual-GPU solutions.






I suppose you could make for an argument of future cards having an artificial overclock limit due to a power limitations...
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post #39 of 151
Quote:
Originally Posted by ZealotKi11er View Post

Probably because there was no need. PCIE 3.0 came out with IVY so not too long ago.

PCI-E 3.0 came out a few months before on SB-E Xeons before IVY:

http://ark.intel.com/products/64601/Intel-Xeon-Processor-E5-1650-12M-Cache-3_20-GHz-0_0-GTs-Intel-QPI

http://ark.intel.com/products/65523/Intel-Core-i7-3770K-Processor-8M-Cache-up-to-3_90-GHz

Interesting the main stream SB-E I7s didn't have it.
    
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post #40 of 151
Then HPC will either go with AMD incoming interconnect or Nvlink?
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