TheHarbinger (OP)
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Merit: 250
Why is it so damn hot in here?
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June 01, 2012, 07:36:51 PM |
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If the power rating for a 8 pin power connecter is 150W, and a 6 pin is 75W, shouldn't it be possible to power a dual 6 pin graphics card off of one 8 pin power cable that was split into two 6 pin connectors?
If not, how come?
If so, why can't I find a adapter cable for this?
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12Um6jfDE7q6crm1s6tSksMvda8s1hZ3Vj
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scifimike12
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June 02, 2012, 01:10:36 AM |
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If the power rating for a 8 pin power connecter is 150W, and a 6 pin is 75W, shouldn't it be possible to power a dual 6 pin graphics card off of one 8 pin power cable that was split into two 6 pin connectors?
If not, how come?
If so, why can't I find a adapter cable for this?
I had wondered this myself until I found that that the 6-pin is capable of 150W. The additional 2 are "dummy" pins. |
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rjk
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1ngldh
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June 02, 2012, 01:37:49 AM |
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You can find an adapter, but the one I ordered from Amazon was 20 gauge crap.
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TheHarbinger (OP)
Sr. Member
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Activity: 378
Merit: 250
Why is it so damn hot in here?
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June 02, 2012, 03:36:38 AM |
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You can find an adapter, but the one I ordered from Amazon was 20 gauge crap.
I haven't been able to find one. Even if I did, I wouldn't use any 20 gauge crap. I'm thinking about maybe building my own using 16 gauge wire. I have been able to find 8-pin Y splitters that look rugged enough. Then from there go to 6 pin with a 8 to 6 adapter. However, that would cost about $20 in cables for each 8 pin I wanted to split up, and I have 8 of them. That's $160 total, not really sure I want to go that route, not only due to price but also because more connections equals more possible points of failure. I may just go with some 6 pin Y splitters since I'm running a Seasonic PSU, and I know their wiring is up to par. |
12Um6jfDE7q6crm1s6tSksMvda8s1hZ3Vj
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rjk
Sr. Member
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Activity: 448
Merit: 250
1ngldh
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June 02, 2012, 03:38:57 AM |
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Dunno how much he would charge, but Cablez might make you some. He specializes in wiring harnesses for FPGAs.
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TheHarbinger (OP)
Sr. Member
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Activity: 378
Merit: 250
Why is it so damn hot in here?
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June 02, 2012, 03:48:03 AM |
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Dunno how much he would charge, but Cablez might make you some. He specializes in wiring harnesses for FPGAs.
I couldn't justify paying his markup and a shipping charge. That's the whole reason I convert my own PCI-E extenders to powered, and short the detect pin on them. $3 in parts and 15 minutes of my time beats paying $20 for one of his cables and then having to short the detect pin myself anyway. |
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Aseras
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June 04, 2012, 06:28:59 PM |
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I have a bunch of these and they work great. I have no idea where I got them though.   |
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TheHarbinger (OP)
Sr. Member
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Activity: 378
Merit: 250
Why is it so damn hot in here?
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June 05, 2012, 02:13:03 PM |
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I have a bunch of these and they work great. I have no idea where I got them though. Give them to me now! |
12Um6jfDE7q6crm1s6tSksMvda8s1hZ3Vj
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deepceleron
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Activity: 1512
Merit: 1028
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June 10, 2012, 09:29:45 PM |
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I have a bunch of these and they work great. I have no idea where I got them though. Give them to me now! You mean:  |
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notlist3d
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Activity: 1456
Merit: 1000
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August 20, 2014, 06:48:50 PM |
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Hi i just got the 8pin pcie input to two 6pin pcie for miners , the cable gets full power from the 8pin psu wires  http://www.icemodz.com/webshop/#!/~/product/category=9873175&id=39683119  I would monitor the cable a little bit on heat. Depending on power and quality that could melt. I have seen it done during GPU day's when i used one. Yes it was included with a low price psu and was cheap. |
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