ThaCrip Posted June 17, 2021 Share Posted June 17, 2021 (edited) I mainly have one question in regard to 'extremely low ESR' capacitors and your more typical 'low ESR' capacitors which are easier to find and generally a bit cheaper etc. because online I noticed a seller say the following... "820uF 6.3V Nichicon HN - Intended for computer motherboards. These have an extremely low ESR but also less long term endurance than the Rubycon ZLJ. The HN capacitors are primarily intended for motherboards starting from around 2002 until the early 2010s, when motherboards stopped using this type of capacitor. For most other applications the Rubycon ZLJ capacitors are preferable. Late 1990s (and most pre-Pentium4 era) motherboards don't require the HN's specs and should find the ZLJ well suited as a long life replacement." so the question is... can I use the Rubycon ZLJ 6.3v 820uF 105c Low-ESR caps on my ASUS A8N32-SLI Deluxe motherboard? ; because even if they are not as good as the 'extremely low-esr' caps, as long as they work 'well enough' (so system is stable/reliable), that's all that matters. I have attached a small picture that shows my board as I have put a RED dot on the capacitors that are bad (generally swollen, although 3 might be very slightly leaking) and additionally I put a YELLOW dot on the 6.3v 1800uF caps, but the YELLOW ones appear to be fine by looking at them, so I am hoping to avoid replacing those. basically 16 out of the 25 6.3v 820uF caps are visibly bad. so my plan, at least at the moment, is to just buy 25 of the Rubycon 6.3v 820uF caps, which is enough to replace all on my motherboard of that type of capacitor as they are the only ones that are swollen etc. I first bought that board in March 2006 and it was in use, pretty much 24/7, til May 2012 and then sit until Jan 2019 when I put it into a old case I had from 2001 etc. but even back when I initially retired it, the caps were pretty much like they are now. also, I did notice very recently (before I removed the motherboard from case) that when I powered it on, it seemed to have froze at the BIOS screen. but I just powered off and back on and it seemed okay once again. also, I notice weird messages when booting random Linux stuff to (I don't have the exact message of what was listed on screen though) that after rebooting are not there. so I am kind of assuming this is capacitor related. but stuff like that aside, the board still works and seems stable in general usage. but I figure since I can get the replacement caps cheap enough (probably around $12 in total) I figured I might as well replace the caps so the board should be good for many more years. but obviously, it's not worth investing much into since it's older tech, but I figure a board like that might be nice to keep around for a backup computer (which should probably still be passable for a basic internet machine for some odd years to come) or something that might need a IDE connection from time-to-time. one last thing, I just noticed I got a reply from the seller saying the following... "For that motherboard the Nichicon HN would be a more exact match to original specs, but in practice I believe the Rubycon ZLJ would work fine. They would certainly be much better than any cap that has bulged - by the time a capacitor shows any visible bulging or leaking they have already failed internally and are extremely out of spec." so unless anyone else has anything to add, ill likely opt for the Rubycon caps Edited June 17, 2021 by ThaCrip hellowalkman and MarkusDarkus 2 Share Link to comment Share on other sites More sharing options...
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