AsRock J-5040 ITX Active Cooling

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   I'm in the possession of this motherboard and would like active cooling. I have been looking around the net but can't find any useful info related to this subject.

The only thing I found out it had a BGA-1090 socket. But found no cooling for that. Neither any adapters or heatsinks..

I know I can resolve this by ziptying a fan to the sink somehow, but I'd like a more 'elegant' solution.

Do you guys have any idea where I could find this?

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Albinius Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 09 Nov 2022 Location: Holland Status: Offline Points: 35	Post Options Post Reply Quote Albinius Report Post Thanks(0) Quote Reply Topic: AsRock J-5040 ITX Active Cooling Posted: 09 Nov 2022 at 11:19pm
	I'm in the possession of this motherboard and would like active cooling. I have been looking around the net but can't find any useful info related to this subject. The only thing I found out it had a BGA-1090 socket. But found no cooling for that. Neither any adapters or heatsinks.. I know I can resolve this by ziptying a fan to the sink somehow, but I'd like a more 'elegant' solution. Do you guys have any idea where I could find this?

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25633	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 10 Nov 2022 at 1:44am
	BGA = Ball Grid Array In other words, it's soldered to the board. You typically won't find aftermarket cooling for BGA CPUs. Your best bet is to look at old GPU coolers and see if you can find one with the same hole spacing as the existing heatsink on the board. Honestly though, just slap an appropriate sized fan on the existing heatsink. The J-5040 is a very low TDP part anyway, even aiming a case fan at the heatsink should be more than enough.


Albinius Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 09 Nov 2022 Location: Holland Status: Offline Points: 35	Post Options Post Reply Quote Albinius Report Post Thanks(0) Quote Reply Posted: 10 Nov 2022 at 7:34am
	Thanks for that answer! Appreciate it. Its what i feared a little. The only remaining question is then: The sink is connected to the mobo with 4pins. Why is the heatsink not soldered down, since these pins are easily removed? (I think) I mean, if its replacable.. why?

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25633	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 10 Nov 2022 at 4:03pm
	Simple, it's more practical. Firstly, all thermal compounds/solutions degrade over time. This means at some point in the product's lifespan you will likely need/want to redo/replace the thermal compound. Secondly, manufacturing cost/ease of assembly. You will almost never find a heatsink soldered to a PCB and I say almost incase someone somewhere has done it but I have never seen it done in the IT space. Board manufacturers will have a consignment of heatsinks ordered and when the board is ready (all the ICs soldered on and tested) they just clip on the heatsink and package up the board for sale. You can replace it, the hole spacing is usually some standard measurement. I have found quite a few aftermarket GPU coolers that fit boards like these. I have an old Zalman GPU cooler on one of my n3150 boards for example. It isn't neccessary as the original heatsink keeps the CPU cool enough but I like tinkering so did it anyway