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Title: PCI-E 8 pin to dual 6 pin? Post by: TheHarbinger on June 01, 2012, 07:36:51 PM 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? Title: Re: PCI-E 8 pin to dual 6 pin? Post by: scifimike12 on June 02, 2012, 01:10:36 AM 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. Title: Re: PCI-E 8 pin to dual 6 pin? Post by: rjk on June 02, 2012, 01:37:49 AM You can find an adapter, but the one I ordered from Amazon was 20 gauge crap.
Title: Re: PCI-E 8 pin to dual 6 pin? Post by: TheHarbinger on June 02, 2012, 03:36:38 AM 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. Title: Re: PCI-E 8 pin to dual 6 pin? Post by: rjk on June 02, 2012, 03:38:57 AM Dunno how much he would charge, but Cablez might make you some. He specializes in wiring harnesses for FPGAs.
Title: Re: PCI-E 8 pin to dual 6 pin? Post by: TheHarbinger on June 02, 2012, 03:48:03 AM 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. Title: Re: PCI-E 8 pin to dual 6 pin? Post by: Aseras on June 04, 2012, 06:28:59 PM I have a bunch of these and they work great. I have no idea where I got them though. :-\
https://i.imgur.com/h5soE.jpg Title: Re: PCI-E 8 pin to dual 6 pin? Post by: TheHarbinger on June 05, 2012, 02:13:03 PM I have a bunch of these and they work great. I have no idea where I got them though. :-\ https://i.imgur.com/h5soE.jpg Give them to me now! Title: Re: PCI-E 8 pin to dual 6 pin? Post by: deepceleron on June 10, 2012, 09:29:45 PM I have a bunch of these and they work great. I have no idea where I got them though. :-\ Give them to me now! http://leviathyn.com/wp-content/uploads/2011/12/fry-take-my-money.jpg?9d7bd4 Title: Re: PCI-E 8 pin to dual 6 pin? Post by: Tittiez on June 11, 2012, 04:50:58 AM I found this on ebay, is it what you need?
http://www.ebay.com/itm/Convert-8-Pin-PCI-E-to-2-6-Pin-PCI-E-Adapter-cable-3-MADE-IN-USA-/360448626085?pt=LH_DefaultDomain_0&hash=item53ec698da5#ht_2906wt_1180 Title: Re: PCI-E 8 pin to dual 6 pin? Post by: mundivalur on August 19, 2014, 04:04:10 PM 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
https://dl.dropboxusercontent.com/u/37251938/Icemodz/2014-08-19%2015.52.19%20%28Small%29.jpg Title: Re: PCI-E 8 pin to dual 6 pin? Post by: notlist3d on August 20, 2014, 06:48:50 PM 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 https://dl.dropboxusercontent.com/u/37251938/Icemodz/2014-08-19%2015.52.19%20%28Small%29.jpg 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. |
