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Powering 6+8 or 8+8 cards with server PSUs
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Topic: Powering 6+8 or 8+8 cards with server PSUs (Read 128 times)
Bimmber
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Powering 6+8 or 8+8 cards with server PSUs
January 05, 2018, 05:49:38 PM
Last edit: January 05, 2018, 06:40:37 PM by Bimmber
#1
Guys,
Need some help regarding power. 1080ti cards require 6+8 or 8+8 connectors, 6 cards in total. But breakout boards only come with 6 pin connectors?
Also, how much power is consumed by PCI riser?
https://sc01.alicdn.com/kf/HTB1PpYpSFXXXXcIXFXXq6xXFXXXc/202543244/HTB1PpYpSFXXXXcIXFXXq6xXFXXXc.jpg
VyprBTC
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Re: Powering 6+8 or 8+8 cards with server PSUs
January 05, 2018, 08:10:09 PM
#2
adapters.
Bimmber
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Re: Powering 6+8 or 8+8 cards with server PSUs
January 05, 2018, 08:30:45 PM
#3
6 pin to 6+2 ?
https://www.parallelminer.com/product/24-inch-16awg-6-pin-male-to-8-pin-62-male-pcie-power-cable/
How do I power risers? Separate cable to each from breakout board? Or can I power 3 risers from one breakout board port?
puwaha
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Re: Powering 6+8 or 8+8 cards with server PSUs
January 05, 2018, 08:38:46 PM
#4
You can get cables that start as 6 pin to connect to the breakout board, and then end in 6+2 pin.. just like the link you posted.
You can power the risers with one of these cables if you have enough spots on your breakout board, or get some splitters and power 2-3 on each 6 pin from the breakout board.
Bimmber
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⇾
Re: Powering 6+8 or 8+8 cards with server PSUs
January 05, 2018, 08:46:32 PM
#5
Riser +gpu need 3 cables. Cards takes 200-220w, riser 0-40w? In total max 260w, but two 6 pin cables can do 300w. Could I do with just 2 cables?
Cable 1 - 6 to 8 pin - breakout board to gpu ?
Cable 2 - 6 to two 6 pin Y cable - from breakout board to gpu & riser.
philipma1957
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Re: Powering 6+8 or 8+8 cards with server PSUs
January 05, 2018, 08:56:37 PM
#6
Quote from: Bimmber on January 05, 2018, 08:46:32 PM
Riser +gpu need 3 cables. Cards takes 200-220w, riser 0-40w? In total max 260w, but two 6 pin cables can do 300w. Could I do with just 2 cables?
Cable 1 - 6 to 8 pin - breakout board to gpu ?
Cable 2 - 6 to two 6 pin Y cable - from breakout board to gpu & riser.
if they are quality cables and you set tdp to 190 watts or 76% yes it should be good
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Bimmber
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Re: Powering 6+8 or 8+8 cards with server PSUs
January 05, 2018, 09:15:00 PM
#7
Thank you, then problem solved!
parallelminer.com seeem to have quality cables.
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