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> phanteks p300 & thermaltake versa j21, good airflow?

post Dec 25 2018, 10:42 PM

miao miao
Senior Member
2,531 posts

Joined: Jan 2009
From: Cyberjaya
Im using Thermaltake Versa J21
i had tried two setup and ending up with the #1 for better airflow/cooler cpu/gpu/mobo

*take note that im using msi 1080ti duke oc, but underclock + set up max temp of 65c to reduce temp.
* only play dota & warframe
* most heavy on video editing / rendering
* test done after few frames of dota.

120mm AIO radiator for CPU
Setup : 120mm AIO radiator for CPU as back exhaust, 2 top exhaust fan, 3 front intake fan

idle cpu : 35-40c
idle gpu : 38c
idle mobo : 40c
on cpu load only, cpu reach 60c.
on gpu load , gpu temp is around 55c, cpu up to 50c, mobo up to 50c.
manage to get good air flow to push out heat .
cpu goes up abit as radiator gets heat up.
crank up fan for back exhaust (radiator) does cool cpu up further
but case does not warm up as below #2.

user posted image

I am using 240mm AIO radiator for CPU.
Versa J21 can only mount 240mm radiator at front (top will definitely blocked by RAM height - Trident Z non rgb).

Tested a few combinations, all end up with the radiator got heat up when gpu on load.
Cant push heat out quickly enough, causing mobo + cp to heat up.

idle cpu : 34-38c
idle gpu : 38c
idle mobo : 40c
On CPU load : CPU goes up to 48-53degrees
On GPU load : GPU up to 60-65degrees , CPU goes up to 60degrees, mobo up to 60degrees
can feel the casing/tempered glass very hot
open up tempered glass reduce temp alot

tested combinations below, all about the same. best temp result without opening glass was #iii (as per above).
#i CPU 240mm AIO radiator as intake + 2 top exhaust + 1 back exhaust
#ii CPU 240mm AIO radiator as exhaust + 2 top exhaust + 1 back intake
#iii CPU 240mm AIO radiator as exhaust + 2 top exhaust + 1 back intake + 2 fan to cool mobo (as per photo below)

user posted image


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