Help! Does Newegg sell a ONE molex to 6-pin adapter?

[bluemax]

My Dell C521 has only one molex power connector, 3 SATA's and one floppy.

My new video card will require a 6-pin connection.

Does Newegg sell a single molex to 6-pin adapter? I know they exist but I can't find it...

... can I change my floppy connection to a molex one and use it with the very common 2x molex to 6-pin adapter?

Thanks!

 

[HOOfan 1]

NCIX USA does

http://www.ncixus.com/products/17110/PCIe-6F-4M/Others/

 

[bluemax]

Originally posted by: HOOfan 1
NCIX USA does

http://www.ncixus.com/products/17110/PCIe-6F-4M/Others/

NCIX is a good place for us Canadians, too. I planned to purchase my card from Newegg though, as I've earned a small credit and have the card I want (on sale, too!)

 

[HOOfan 1]

Is there a rule that you have to buy the card and the adapter from the same vendor?

 

[bluemax]

Originally posted by: HOOfan 1
Is there a rule that you have to buy the card and the adapter from the same vendor?

No - if you have money to burn in shipping charges. NCIX Canada didn't have that cable anyways. Grr!

 

[HOOfan 1]

yeah they do

http://www.ncix.com/products/i...D4M&manufacture=Others

 

[bluemax]

Originally posted by: HOOfan 1
yeah they do

http://www.ncix.com/products/i...D4M&manufacture=Others

Nicely done! I obviously punched the wrong things into the internal search.

 

[Itchrelief]

There's a reason for that. According to best practices, you shouldn't be drawing that much current through one 12V wire if using the minimum specified wire gauge and insulation for the 4-pin molex. The second connector is for the added safety factor. That said, apparently it will work just fine as long as you don't have vastly substandard wiring on your power supply.

If your power supply doesn't have a 6 pin PCI Express cable then you can use the adapter shown above on the right to convert two 4 pin peripheral cables into a PCI Express cable. If you use an adapter then be sure to plug the 4 pin peripheral connectors into separate cables coming from the power supply. If you plug them both into the same power supply cable then you are drawing all the power of the PCI Express connector through a single 18 gauge wire. You can usually get away with that but there's no reason to do it

 

[HOOfan 1]

Originally posted by: Itchrelief
There's a reason for that. According to best practices, you shouldn't be drawing that much current through one 12V wire if using the minimum specified wire gauge and insulation for the 4-pin molex. The second connector is for the added safety factor. That said, apparently it will work just fine as long as you don't have vastly substandard wiring on your power supply.

If your power supply doesn't have a 6 pin PCI Express cable then you can use the adapter shown above on the right to convert two 4 pin peripheral cables into a PCI Express cable. If you use an adapter then be sure to plug the 4 pin peripheral connectors into separate cables coming from the power supply. If you plug them both into the same power supply cable then you are drawing all the power of the PCI Express connector through a single 18 gauge wire. You can usually get away with that but there's no reason to do it

Yes, the theoretical maximum power draw of 12V on a single Molex is 60 Watts...the maximum power draw of a single 6pin PCI-E connector is 75W.

I am just guessing that whatever graphics card the OP is getting won't draw that much power from the PCI-E, or else it probably would be too power hungry for his PSU to begin with. plus the C521 is small profile, and the PSU is only 280W so he can't be getting a card that is too big.

 

[Zepper]

Actually it's 60Watts per pin pair - so it would be 180 W on three pin pairs while one drive power pin pair should be capable of (9A) 108 W assuming true Molex or Amp contacts with the assembly done properly. Though I wouldn't want to run my pin pairs anywhere near their max ratings...

And floppy connectors are generally wired with smaller gauge wire and lower power rating contact pairs than the large peripheral power connectors. If you were using two Molex to
one six-pin card connector, you'd want the two Molex to be on separate pigtails from the PSU. Safety depends on what your card is truly likely to draw. Up to 80W or so should be safe off one Molex pin pair (even assuming cheap Chinese clone contacts). The use of http://www.Caig.com (Caig labs) contact enhancer (gold) and/or cleaner/enhancer (red) will help in any high current situation.

.bh.

 

[bluemax]

Okay, read the top post to see the five lousy power connections I have. 1 molex, 3 SATA, 1 floppy. There is only one rail to draw from.

The card is the Sparkle 9600GT which will run safely with my minimal config (I've done it before.) but the way I did it then was so convoluted... 1-to-2 molex splitter then the 2-molex-to-6pin included with the GFE2 Galaxy dustbuster card. What a mess of cables!

 

[bluemax]

oops... double post

 

[SparkyJJO]

Its not the rail drawing from, it is the wire on the rail. Shoving all that current through one wire could be bad news. There is a reason the 6pin connector has three 12V wires

I thought I'd try running two 8800GS cards off one molex string. I thought hey they are lower wattage cards, might work ok. Well, let's just say that poor single 12V wire on that string had severe voltage drop and got really hot :Q :laugh: