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Need someone with knowledge to answer question about connecting power from psu all

post #1 of 10
Thread Starter 
So I am putting my system together. I notice that for instance one cord from the psu has multiple SATA power connections. But I have at least two of those cords. So is it going to make a difference to connect all my SATA devices to that single cord with all of it's connections?
Or are you better off having as many 1 cord to one device connections as possible?

Also regarding fans. I notice that fans have male and female connections. So can I connect my 4 pin power cord from my psu to the fan, then connect another fan to the first fan's extra connector? Or should I try not to do that?

I think this topic makes sense, if not please tell me what is needed to clarify it.

Thanks
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Sprite Brain
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post #2 of 10
IT is okay to do both what you state.

As for the fans in specific. I actually prefer to do that as every 4-pin peripheral fan I have used has had a terrible connector and I would not want to mess around with connecting two of them to a PSU. Easier to connect them to each other and only have to deal with one good to bad connector.

4 Raptors on one line might be pushing the limits of acceptable current draw for one line, even then it would only be at start up. Most system use staggered startup now though, I believe it is not a problem anymore. (TBH, I have run more than 4 drives on one line before without a problem...
Edited by Neur0mancer - 2/20/11 at 6:05pm
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post #3 of 10
Thread Starter 
One more question thenn. Is it OK to have my SATA power cord (which has 4 connectors) connected in this manner:

first two connected to HDDs, the last two connected to optical SATA drives? Or is it better off to have at least your cords for optical drives and hard drives separate?
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post #4 of 10
You can use the SATA cables in any combination to power any sort of SATA drive and it won't make a darn bit of difference. Your PSU won't care and won't notice.
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post #5 of 10
better just to use the connectors from one line. because it's better cable management. small load devices are just that, small loads. worry about gpu and cpu power consumptions not your drives and fans.
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post #6 of 10
If the case allows one to put the optical and hard drives on one fine. But unless the gap between them is large enough and the case small enough that isn't an option on most of the enthusiast cases people go with these days. Might be possible on that Antec 300, but not on a lot of other cases.

But my point was more that it won't make any difference to the PSU which is what I interpreted the question to be.
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Acer H233H Rosewill RG630-S12 NZXT BetaEVO 
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post #7 of 10
Wire your hard drives up on as many or as few cables as you like, it's fine. Run the cables so as to best make things neat. Both the rigs in my house right now have the optical drives on a separate sata cable to the hard drives, but that is only because it made the cable routing neater.
Onto the fan issue. I'd not daisy chain more than a couple of fans from the same molex connector, just to be on the safe side. But you can certainly run a dozen or so fans from one chain of molex connectors without any real concerns.
Edit: Unless they're high power deltas of course...
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post #8 of 10
Drives and fans don't pull a substantial amount of current in order to warrant specific ordering on setups.
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post #9 of 10
Depends on the fans dear beers. Some deltas can pull 2 or more amps, and be enough to fry motherboard headers. Most enthusiast fans are well below that, even with added LED bling tho.
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post #10 of 10
Quote:
Originally Posted by allikat View Post
Depends on the fans dear beers. Some deltas can pull 2 or more amps, and be enough to fry motherboard headers. Most enthusiast fans are well below that, even with added LED bling tho.
Was considered, although the vast majority of the time when buying fans with that kind of rating you already know what you're getting into. Also it does not sound like the OP has extensive knowledge in that area, so a blanket statement which covers 99.5% of the fan market is appropriate to use. Also, the main concern is using rails directly off of the PSU. Therefore fan headers on the motherboard are not the factor to be concerned with.

But thanks.
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