Exactly the same predicament I was in.
I really think there is a gap in the UK market for these adapters as you can only get them in the states. I really think OcUK should start stocking these. They would sell.
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I need a 6 pin to 8 pin pci express adaptor for my 9800gx2, will this work?
- Thread starter jimmybates
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Exactly the same predicament I was in.
I really think there is a gap in the UK market for these adapters as you can only get them in the states. I really think OcUK should start stocking these. They would sell.
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Hmm, that adapter from the US has a 6pin male at 1 end (good will plug into PSU) and a 8pin female at the other end (not so good) as you need a 8pin male to plug into the GPU.
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Soldato
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Or admit you were wrong!
Eh? Read it again, I said there is NO extra power, you do know what 'rating' actually means? You think there is some magical fairy that pulls the plug on the 6 pin connector when it reaches 75w? No, on some psu's there is over-current limit on rails, typically 240VA. Single rails, the 6 pin connector is quite happy to supply the full 12v wattage of the psu till it starts to overheat and melt or blows an inline fuse etc. But its only rated to 75w.
Again, read it carefully. There is absolutely no difference in the power available from the 6 to 8 pin connector, it simply increases the rating of the connection. So duh, no it wont fail with an adapter, assuming the psu is powerful enough in the first place.
Hardly a new subject, I must have posted on this a dozen times.
http://forums.overclockers.co.uk/showpost.php?p=9585831&postcount=21
http://forums.overclockers.co.uk/showpost.php?p=9367010&postcount=5
For reference in case anyone is looking they are known in the trade as 4.20mm Pitch 'Mini-Fit Jr' connectors. Molex or Tyco numbers. E.g. Tyco 1586019-8 for the 8 pin plug, Molex 45559-0002 for the 6 pin.
http://www.molex.com/cgi-bin/bv/mol...gcehedffgdfmk.0&channel=Products&Lang=english
http://catalog.tycoelectronics.com/TE/bin/TE.Connect?C=1&M=BYPN&TCPN=1586019-8&RQPN=1586019-8
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Damn, it was 1st result in Google.com (then tried .uk).
If you have a PSU with a native 8pin connector and pcie2 compliant you can be quite sure you can draw 150w from it. The same cannot be said for a 6pin PSU, you MAY be able to push more than 75w down it but that is down to the individual PSU.
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Somewhat different to my original point. I have already stated the psu must be capable of supplying the load current, I suggest you actually read my comments. As I have repeatedly said, the connection itself alone does not determine the psu ability to power the card. It is quite feasible for a pre-PCIe psu to power an 8-pin adapter/card given sufficient current. Again, the 8 pin connector has no extra load bearing capacity. Whilst an excellent indicator of greater load capacity, the 8 pins presence alone does not guarantee power. Loads must always be considered as a system whole. The determining factor regardless of connector is the rail/rails combined 12v current.
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