One more question before order rad and fans. - Overclock.net

dixson01974 · 3 Weeks Ago

I'm decided to go with a Magicool 480mm rad.
Would ULTRA KAZE 120mm Case Fan 1000rpm fans be good for ultra quiet wc system.

Specifications:
Fan Size: 120mm x 120mm x 38mm
Speed: 1000 RPM
Airflow: 44.44 CFM
Noise: 19.81 dBA

**Juggalo23451** · 3 Weeks Ago

I would get 84cfm not 44 that is to low

dixson01974 · 3 Weeks Ago

Quote:

Originally Posted by Juggalo23451

I would get 84cfm not 44 that is to low

Even for 4x120mm rad?

Chunky_Chimp · 3 Weeks Ago

Quote:

Originally Posted by Juggalo23451

I would get 84cfm not 44 that is to low

It's about static pressure, dude, not CFM. An Ultra Kaze 1000 at full speed is fine, and it's something of a myth that Ultra Kazes have poor static pressure.

**Juggalo23451** · 3 Weeks Ago

Quote:

Originally Posted by Chunky_Chimp

It's about static pressure, dude, not CFM. An Ultra Kaze 1000 at full speed is fine, and it's something of a myth that Ultra Kazes have poor static pressure.

actually u need both good cfm and static prssure

ChielScape · 3 Weeks Ago

pressure doesnt come without CFM.... if you pick a fan with good pressure, you automatically have good CFM.

Chunky_Chimp · 3 Weeks Ago

Quote:

Originally Posted by Juggalo23451

actually u need both good cfm and static prssure

Right but there's a difference between arguing that you need to spam CFM through the rad (equates to suggesting a Slipstream or similar) and suggesting a fan known for good pressure as well as decent CFM. Those numbers mean nothing if you can't get that amount of air between the fins. That's why GentleTyphoons and S-Flexes are as popular as they are, excellent pressure for their thickness at very reasonable noise and CFM levels (which are very accurately rated).

**Juggalo23451** · 3 Weeks Ago

Quote:

Originally Posted by Chunky_Chimp

Right but there's a difference between arguing that you need to spam CFM through the rad and suggesting a fan known for good pressure as well as decent CFM. Those numbers mean nothing if you can't get that amount of air between the fins. That's why GentleTyphoons and S-Flexes are as popular as they are, excellent pressure for their thickness at very reasonable noise and CFM levels (which are very accurately rated).

you are wrong on that. I was going by the size of his rad he needs a med or high speed fans.
which is 64-84 cfm

I remember suggestion him yate loons or panaflos for his rad

dixson01974 · 3 Weeks Ago

So how about ULTRA KAZE 120mm Case Fan 2000rpm fans?
Specifications:
Fan Size: 120mm x 120mm x 38mm
Speed: 2000 RPM
Airflow: 87.63 CFM
Noise: 32.91 dBA

Chunky_Chimp · 3 Weeks Ago

Quote:

Originally Posted by Juggalo23451

you are wrong on that. I was going by the size of his rad he needs a med or high speed fans.
which is 64-84 cfm

CFM =/= static pressure. I don't know how else to say it. You need both, that's just what you said. You don't need to bulldoze the radiator with CFM (or even pressure) to keep things cool, that's what I'm trying to say here. I don't see how the physical size of the rad affects what fan you need, only the amount of fans needed; it more depends on the fins per inch. Yate Loons and Panaflos are good, too, but a full-speed 1000 RPM Ultra Kaze is just fine.

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