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Replacing PCI Express cable with inline capacitor?

post #1 of 4
Thread Starter 
Just wondering if anyone has replaced a PCI Express cable that had an inline capacitor? I have a Silverstone ST1000-P and the PCI Express cables are a touch short for how I want to route them. I looked at extensions, but those weren't quite long enough to get to the back of the motherboard tray and I don't like the bulk the extension connectors add, so I'm thinking about doing custom cabling. However, there is an inline capacitor on my current cables, so the question is to reuse, replace or remove the capacitor for the new cabling?
post #2 of 4
The capacitor is there for a reason...There probably isn't enough capacitance internally in the PSU to smooth out the ripple at high currents. I would, if you can, find the capacitance of the capacitor on the original cable, then build your new cables with a similar size capacitor. You'll probably find they're between 1000uf to 2200uf.. I'd also go for 25V ones rather than 16V, as the 16's may be sailing close to the wind voltage wise.

http://www.ebay.co.uk/itm/1x-2200uF-25V-Low-ESR-Radial-Electrolytic-Capacitors-/110897367761?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item19d1ff8ad1

Something like that should do you. smile.gif
Edited by latelesley - 3/4/13 at 11:20am
post #3 of 4
Was wondering about this as well.
 
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Cinema-Plex
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post #4 of 4
If this is for your GTX660Ti's then you don't need the capacitors, especially since they are only each drawing a sixth of the power your PSU can deliver. Plenty of overhead there. If you're making your own cabling, just leave the caps out smile.gif
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