Seasonic X460 Fanless being a b******

B

BesiX

New member
I've been planning on getting a completely silent PC which was a tad better than what TTL once reviewed (Quiet-PC). Just as a little project. (I've got enough PCs already.)
So I've finally assembled the build:

CPU: Intel i5 3570K
CPU cooler: NOFEN CR-100A (Black Pearl)
RAM: Corsair Vengeance LP 2x4GB PC12800 White
Mobo: Gigabyte Z77X-D3H
SSD: Intel 330 Series SSD 180GB + Sandisk Extreme 120GB
GPU: Sapphire Radeon HD 7750 Ultimate
PSU: Seasonic X460 Fanless
Case: Corsair Vengeance C70 White
Click to expand...
Fitting that CPU cooler was fairly annoying, but I managed.
But I've got a problem, the PSU's 24-pin connector won't stay connected in the motherboard's 24-pin connector... Whenever I try to plug it in, it just won't stay in.

Any ideas?
 
BesiX said:
I've been planning on getting a completely silent PC which was a tad better than what TTL once reviewed (Quiet-PC).
So I've finally assembled the build:


Fitting that CPU cooler was fairly annoying, but I managed.
But I've got a problem, the PSU's 24-pin connector won't stay connected in the motherboard's 24-pin connector... Whenever I try to plug it in, it just won't stay in.

Any ideas?
Click to expand...

Did you put enough force into it..?
I find sometimes you have to support the motherboard with a finger under it while plugging in the 24 pin, they take quite a bit of push to fit in :cool:
 
I don't need an extension cable. The cable's long enough. It's just the connector that's causing the issue.
 
totally understand mate. But if its not staying in putting on an extension may solve the issue. Where the extension stay on mobo and your psu stays on other end. Assuming its a defect in the psu's 24pin you could also zip tie it together behind the mobo tray if its a case of the psu 24pin not staying.


is it a true 24pin or a 20+4 pin?? I ask cause sometimes if you hook the 4pin on wrong it can lead to issues with it staying in the mobo. Most psu's the 4pin goes under the tab on the 20pin.
 
The connector is a 20+4, but I can't hook it on wrong, because the 4 pins aren't separate, they can be "rotated" in place.
seasonic_xseries_fanless_400w.jpg
 
The latch is sort of clipping in, but the pin section is just 1-2 mm out of the connector... I just can't put the connector into the mobo connector completely.
I've checked the pins inside the connectors and I don't see anything out of the ordinary...

I'll check tomorrow if I can plug in another PSU onto the mobo to rule out a problem in one of the 2 connectors.
 
Little update:
I fixed it by getting an extension cable in the end...
The problem now is that the extension cable isn't sleeved and has these cheap white transparent connectors which kills the whole color scheme (white-black-blue) I had in my case.
StarTech%20ATX24POWEXT.jpg


I tried replacing them with a NZXT extension, but those won't fit onto the motherboard as well... :(
nzxt24pinmbextensioncable250mm-17043543-frntl.jpg


So, any ideas which other black extension cables I could try? Or try to sleeve the cheap white one? (Never sleeved before though.)

And the completely silent setup is running stable @ 4.2GHz atm. (Not a massive improvement, but I don't want to melt stuff too ;) )
 
Last edited:
Sounds like one of the pins in the 24pin cable has moved or been pushed to one side.

Inspect the 24pin connector for pins and straighten them back up if needs be.
 
I've checked it all, mate.
There's one strange thing about the pins though: one pin is slightly "fatter" than the other pins on the motherboard connector.
But this is in the section where the 4-pin connector (out of the PSU's 20+4) would fit (which it does). This still doesn't explain the fact that the problem is located in the "20-pin region" of the motherboard connector.

I've talked to an IT reseller about it (who helped me out with the extension cable) and he also claims he hasn't seen this problem before... ever.
In the 14 years I've been assembling computers this is the first time I've ever experienced it.

Anyway, since I accepted the fact that I need an extension cable to fix it, I just need some info about sleeving it. (Or other extension cables I could try.)
 
Hmm I had a similar issue with a OCZ 650Watt Fully Modular PSU at the start of this year and do you know what the issue was?
The pins on the end of the 20+4pin connector were squashed.><
No idea and it was brand new from Aria, weird.
So I grabbed the smallest screwdriver I could find, one of those 0.0 screwdrivers and separated them and voila.
I wonder if you've the same issue and now you have added the extension cable its has separated the pins properly as they should be.
You can always disconnect the extension cable and try?
Or more I am keen to find out if you had the same issue I had.
 
Well, I even used a safety pin to widen them on the PSU 20+4 connector(just in case), but no luck there.
I disconnected the extension cable when I got that 2nd one and tried it without the extension first. Didn't work.
I'll check that NZXT extension cable first to see if something's wrong on that one. (It wasn't staying into the mobo connector in the exact same way the Seasonic connector did.)
 
Well something is blocking it from fitting in there, there must be something in the way. It seems strange that the extension fits into the motherboard and the 24pin fits with the extension cable but not with the motherboard. Does the PSU's 24 pin fit all the way in with the extension cable fitting? I mean completly all the way in.
 
It's not that I don't belive you, it is just...hard to belive lol. It's weird. If and when you can, take a pic ( if you mentioned it :P )
 
I'll ask my brother to pop round with his camera then.
(I never take pics so I don't even have a camera ;) Unless you want blurryvision from my mobile's camera :p)
 
Heh, whenever you want, IF you want... no one is forcing you... just want to help with your issue there cause it's a strange one. I wonder sticking it in another motherboard will work.
 
I just tried sticking that NZXT extension cable into another mobo, but it wouldn't fit as well.
I'll see if I can take pics on Monday/Wednesday, since I'm busy with an assembly for my little nephew's gift ;):
AMD X4 640 + Gigabyte HD 7750 + 8GB RAM + other stuff will beat his Pentium 4's performance anyday ;)
 
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