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PCIe 4.0 to Deliver More Speed and Power

Details on the next PCI Express spec are showing up following last week's Intel Developer Forum. PCMag.com says PCIe 4.0 will arrive next year, bringing speed improvements and enhanced efficiency while maintaining backward compatibility. They also offer first word on a version 5.0 to follow. According to Tom's Hardware (thanks PCGamesN) the spec includes at least 300W of power through the slot, which may eliminate the need for auxiliary power cables for some GPUs. Here's a bit:

When we asked the PCI-SIG, we received the news that for the first time, PCIe will get a massive power increase at the connector. Solomon couldn't recall the exact ceiling because member companies have proposed several options. Solomon stated that the minimum would be 300W, but the ceiling “may be 400 or 500W."

Even with the minimum 300 watts, there is more than enough power provided by the edge connector to run a GeForce GTX 1080 (reference design 180 watts) and Titan X (250 watts) without an external power source. PCI Express 3.0 provides a maximum of 75 watts thus far, though many slots support the default 25W. The rating for a x16 lane card comes from 3 amps at 3.3 volts and 5.5 amps at 12 volts, which is a rating that dates back to the introduction of PCI Express 1.0a in 2003.

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11. Re: PCIe 4.0 to Deliver More Speed and Power Aug 22, 2016, 12:55 DG
 
Wallshadows wrote on Aug 22, 2016, 12:01:
This is more to do with a real shitty case when it comes to airflow though. My nearly 10 year old Antec P182 isn't built for it.
I have that case, I've no desire to get a new one since my temps are all low despite the case fans being on low. I rarely hear the GPU fan go up a gear and CPU fan never does. Guess it depends some on what fans you're using with it, and I think I reversed the top fan to be exhaust. I only have a little SSD drive in the upper HDD cage, I figured the potential to block the intake fan was the main potential weakness of the design.
 
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  1. Aug 22, 09:22 Re: PCIe 4.0 to Deliver More Speed and Power Dev
  2. Aug 22, 09:32  Re: PCIe 4.0 to Deliver More Speed and Power nin
  3. Aug 22, 09:40  Re: PCIe 4.0 to Deliver More Speed and Power Burrito of Peace
  4. Aug 22, 09:42   Re: PCIe 4.0 to Deliver More Speed and Power Shineyguy
  5. Aug 22, 09:47 Re: PCIe 4.0 to Deliver More Speed and Power eRe4s3r
  6. Aug 22, 09:50  Re: PCIe 4.0 to Deliver More Speed and Power Shineyguy
  7. Aug 22, 10:22   Re: PCIe 4.0 to Deliver More Speed and Power HoSpanky
  10. Aug 22, 12:31    Re: PCIe 4.0 to Deliver More Speed and Power Simon Says
  20. Aug 22, 14:58    Re: PCIe 4.0 to Deliver More Speed and Power wtf_man
  21. Aug 22, 15:22     Re: PCIe 4.0 to Deliver More Speed and Power HoSpanky
  22. Aug 22, 15:33      Re: PCIe 4.0 to Deliver More Speed and Power Burrito of Peace
  23. Aug 22, 15:37      Re: PCIe 4.0 to Deliver More Speed and Power CJ_Parker
  8. Aug 22, 10:29   Re: PCIe 4.0 to Deliver More Speed and Power eRe4s3r
  9. Aug 22, 12:01 Re: PCIe 4.0 to Deliver More Speed and Power Wallshadows
>> 11. Aug 22, 12:55  Re: PCIe 4.0 to Deliver More Speed and Power DG
  13. Aug 22, 13:19   Re: PCIe 4.0 to Deliver More Speed and Power Wallshadows
  17. Aug 22, 13:30   Re: PCIe 4.0 to Deliver More Speed and Power Beamer
  18. Aug 22, 13:42    Re: PCIe 4.0 to Deliver More Speed and Power Wallshadows
  12. Aug 22, 13:12 Re: PCIe 4.0 to Deliver More Speed and Power Creston
  14. Aug 22, 13:23 Re: PCIe 4.0 to Deliver More Speed and Power LittleMe
  15. Aug 22, 13:28  Re: PCIe 4.0 to Deliver More Speed and Power Creston
  19. Aug 22, 14:15   Re: PCIe 4.0 to Deliver More Speed and Power Simon Says
  16. Aug 22, 13:30  Re: PCIe 4.0 to Deliver More Speed and Power Wallshadows
  24. Aug 22, 15:41 Re: PCIe 4.0 to Deliver More Speed and Power Wallshadows
  25. Aug 22, 15:44  Re: PCIe 4.0 to Deliver More Speed and Power Wallshadows
  26. Aug 22, 17:29 Re: PCIe 4.0 to Deliver More Speed and Power ldonyo
  27. Aug 22, 18:09  Re: PCIe 4.0 to Deliver More Speed and Power Creston
  28. Aug 22, 18:29   Re: PCIe 4.0 to Deliver More Speed and Power LittleMe
  29. Aug 22, 18:35   Re: PCIe 4.0 to Deliver More Speed and Power Simon Says
  30. Aug 22, 18:55    Re: PCIe 4.0 to Deliver More Speed and Power CJ_Parker
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  33. Aug 22, 22:24   Re: PCIe 4.0 to Deliver More Speed and Power Enahs


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