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Old 12-16-2017, 04:22 PM   #7
Wester547
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Join Date: Nov 2011
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Default Re: Dell Optiplex GX620 with Oozing Rubycon caps

Quote:
Originally Posted by momaka View Post
Looking back at the O/Ps pictures, it does appear that this is an SFF or USFF desktop and not a full tower. Look at the motherboard - it has only a PCI-E and a PCI slot. The full tower has 4 slots.
You’re right, it’s a SFF machine (not USFF). No wonder they failed. Even the slim desktop version has 4 slots IIRC. Part of the problem is an inadequate cooling design, but the other part of the problem is that MCZ are just really sensitive to heat (not “plague” capacitors though). For an example (I’m sure you know this), in the HP DC5000 and D530 SFF computers, the MCZ in the VRM out are almost always bulging and leaking, often before any of the Teapos bulge, but the FL are never bulged.

But yes, improved cooling would certainly help the capacitors in these machines last longer.
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