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Which slim 120 rad?

post #1 of 5
Thread Starter 
I'm building a somewhat SFF build and plan to add 2 x 120mm radiators in the front. They have to be slim both in terms of thickness and width because space is, as you can imagine, very limited. I'd rather use a 240 but the optical drive is in the way so I have to settle for 2 horizontally mounted 120s. The thickness has to be around 30mm and the width can't be much wider than a fans worth, that is 120mm. Based on their dimensions I've narrowed it down to these:

HW-Labs GTS Lite 120
Magicool 120 Slim
Koolance CU420V 120
XSPC EX120
XSPC RS120


I was leaning towards the GTS 120 Lite but the high fpi count made me reconsider my options. I'd prefer to run my fans at <1500rpm, and I feel that might not be sufficient for that particular rad because of the 30 FPI so I'm wondering if I should go with a lower FPI rad?

What do you guys think? Which of these should I go for, or do you have something better in mind?
post #2 of 5
EX120 should perform the best out of that bunch as long as you keep the fan running at 1500rpm to help with the rad's high FPI.
X79-GCN
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X79-GCN
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CPUMotherboardGraphicsRAM
Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
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Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
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XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
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EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
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post #3 of 5
Thread Starter 
Thanks!
On the other hand I think I could manage to squeeze in two 120 st30's which would, judging by martins 360 tests, give me superior low rpm performance at the cost of worse performance in the upper rpms. Now I have a dilemma: Slow rpm and quietness with ST30 or medium rpm and more noise but also more performance with the EX.
Still think I'll go for the EX because I don't think I'd ever drop the rpms so low that the st30 would be better, but who knows? My system (i5 + 670) isn't really much of a heat load so I might just do that considering I'll also run a ut60 280 in the same loop. I guess I will have to sleep on it smile.gif
post #4 of 5
I for one prefer a quiet and powerful PC as oppose to being a little loud. thumb.gif
X79-GCN
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Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
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X79-GCN
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CPUMotherboardGraphicsRAM
Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
BenQ XR3501 35" Curved Corsair Vengeance K90 Seasonic X-1250 Gold (v2) Corsair 900D 
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Logitech G400s Senn HD 598 
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post #5 of 5
Thread Starter 
After some thinking and more research I've decided to go with the 120 st30's. It appears I was wrong earlier. Judging by the first chart it seems the EX is on par with the RS although slightly worse in the upper range of rpms. So if you compare the RS360 with the ST30 in martins tests we should get some indicators of how the 120's perform. While these are 360 I don't think the differences between them and the 120 versions will be that big as long as the FPI and other construction stays the same though I don't know if that's the case as I haven't found any info on that.

The ST30 takes the lead in the 600Rpm test and manages to deliver respectable performance throughout the rpm range staying above the RS all the way up to 2200rpm, so the st30 definitely takes the price here. Now I just have to hunt around a bit for the FPI ratings to make sure they're the same.

EX is pretty much the same as the RS:


Martins 360 shootout, compare ST30 with RS:
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