Question Rebuild and using Peerless Assassin 120 SE (fit) ?

Apr 27, 2025
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First off hello and I am a newbie to this forum.

Not necessarily newbie to computers but I haven't had to build one in a while (years actually). Since my PC, an ACER Veriton VM4640-G with a 6th gen i5 3.2 ghz. and 32 gb DDR4 2400 288 pin memory installed. will not comply to the Windows 11 uprgrade I am having to do a rebuild. I know , why not build a fresh install from scratch?

Here is why:
I am a guitarist and songwriter/producer. I use both Windows PC and Mac. my W-PC currently is running W10 Pro and due to end of story in October I must have 11. That being said my dilemma is not a new Machine but a rebuild utilizing my current HD which I will Clone onto a 1TB SSD. reason being is I have software that needs to be on new drive as well as some multitrack recordings in 2 different DAW software programs. IT is just easier to clone because one program may not install on 11 since it was last supported on Windows 7. I do still have a 7 machine available if pucsh comes to shove for those projects. OK. sorry for the novel but trying to give all the background info.

SO I went to Newegg and bought a new MSI Pro B760M-A ( DDR4 memory ) motherboard. And for a steal deal they had a new 14th gen Intel i5 14600k LGA1700. 3.6 ghz CPU that came with a complimentory T-Force 1TB SSD ( ahh always can use storage.) ... not thinking when I ordered a cooling fan I did it without measuring...lol. In my case the Veriton case takes an mATX format board which of course meaning micro. All I want to do is swap Motherboard out and CPU so I can upgrade to W11 (cringe). Inside dimmensions of the Acer case is just shy of 16.5 inches. I plan for now using the same 32gb ram sticks of DDR4 udim 2400 that are already installed and still good if possible! I will later upgrade to 64gb of memory or more... the BIGGIE Question Is this!

Will this Thermalright Peerless Assassin 120se that was just delivered fit my application or is it too big. or will I need to return for a smaller unit? I need things to stay cool and quiet! It maybe over kill but I have intense processing when mixing down multitrack recordings for releasing songs! HELP LOL...

Thank you In Advance!

Kev!🎸
 
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Welcome to the forums, newcomer!

First off, you're supposed to reinstall the OS after a platform/motherboard swap. Second;
my PC, an ACER Veriton VM4640-G
I wouldn't recycle that case, due to it having horrible venting/thermals.

Will this Thermalright Peerless Assasin 120se that was just delivered fit my application or is it too big. or will I need to return for a smaller unit?
Do you have 155mm of clearance from the motherboard's socket to the side panel? Even if you did, as stated prior, I wouldn't recycle that prebuilt's chassis.

It maybe over kill but I have intense processing when mixing down multitrack recordings for releasing songs!
Yeah, get a new case.

You forgot to mention the make and model of your PSU. If you're recycling an older unit, please include the age of the unit and what it powered prior to this thread's creation.
 
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Welcome to the forums, newcomer!

First off, you're supposed to reinstall the OS after a platform/motherboard swap. Second;
my PC, an ACER Veriton VM4640-G
I wouldn't recycle that case, due to it having horrible venting/thermals.

Will this Thermalright Peerless Assasin 120se that was just delivered fit my application or is it too big. or will I need to return for a smaller unit?
Do you have 155mm of clearance from the motherboard's socket to the side panel? Even if you did, as stated prior, I wouldn't recycle that prebuilt's chassis.

It maybe over kill but I have intense processing when mixing down multitrack recordings for releasing songs!
Yeah, get a new case.

You forgot to mention the make and model of your PSU. If you're recycling an older unit, please include the age of the unit and what it powered prior to this thread's creatio motherboard surface texact year unknown...

my PSU is Model# FSP220-30AGBAA = AC INPUT 100/127/2240V-.6/3A,60/50H
DC output: +12V -12V +5Vsb
18.0A 0.3A 2.5A
220W
not sure exact year. Current Motherboard is original from ACER.





18.0A 0.3A 2.5A


DC output: +12V -12V +5Vsb
18.0A 0.3A 2.5A
220W
 
Windows 10 isn't going anywhere they will just constantly nag you that get no updates and some evil virus might get you. If they were to actually make it stop working the governments around the world would be passing laws telling microsoft they now must provide free pc that can run windows 11 to all the poor people that can't afford to buy new machines.

220 watts is way to close to risk it. The 14600k chip itself can boast the power to 181 watts and you have other things running.

I would avoid using any kind of 120 AIO unless you have no other option that will fit. 120 aio many times just barely beat out factory coolers and are not even close to some of the better coolers that cost less than $50. You see 120 AIO used in those very tiny cases where no air cooler will fit.
 
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Windows 10 isn't going anywhere they will just constantly nag you that get no updates and some evil virus might get you. If they were to actually make it stop working the governments around the world would be passing laws telling microsoft they now must provide free pc that can run windows 11 to all the poor people that can't afford to buy new machines.

220 watts is way to close to risk it. The 14600k chip itself can boast the power to 181 watts and you have other things running.

I would avoid using any kind of 120 AIO unless you have no other option that will fit. 120 aio many times just barely beat out factory coolers and are not even close to some of the better coolers that cost less than $50. You see 120 AIO used in those very tiny cases where no air cooler will fit.
have a cooler you recommend?
 
have a cooler you recommend?
Sorry I must be a idiot I have no clue why I was talking about AIO must have gotten posts confused.

The Thermalright Peerless Assassin 120se is exactly the cooler I would recommend. It is 155mm so it should just barely fit.

What is much more important though is you need a larger power supply. Since it appears you are using the on cpu GPU it does not have to be huge. Most times 750 watts is what machines run with mid tier video cards. I would not go below 500 watts. Although I suspect they make say 350 or 400 watt power supplies that are quality there is a lot of trash being sold. A power supply is pretty much the only thing that can fail and destroy all the other parts of the machine.
 
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