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Old January 4, 2012, 08:35 PM
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Default Low RPM fans on a High FPI radiator

Just bought an MCR320-XP radiator from a member of HWC for a pretty good deal. However, I like keeping my computer quiet. Since the XP radiators have more FPI than a rad like the QP series, would the difference be huge if I stuck with low RPM fans? Yes, the rad is optimized for higher RPM fans, but big would the difference be? Thanks.
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Old January 4, 2012, 08:49 PM
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The thing is, you need the air to be able to push through the rad. What fans are you using?
If the rad is too dense, and air isnt blowing/being pulled through, your not disipating heat.
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Old January 4, 2012, 09:20 PM
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GELID Solutions GELID Wing 12 1500RPM 120MM UV Green Gamer Fan 64.3CFM 25DBA NFB 3PIN - Gelid Solutions Ltd. - FN-FW12-15.

So 1500RPM Fans. However.... I like to undervolt these babies... So I don't know. Will these fans at least be fine at 1500RPM?
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Old January 5, 2012, 06:13 AM
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Hm, I would guess that they would be fine at 1500rpm :)
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Old January 5, 2012, 06:30 AM
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rpm means squat really with radiators its the static pressure of the fan which makes all the difference.
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Old January 5, 2012, 08:22 AM
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I have the UV blue version of the gelid fans. They don't work well as radiator fans. My 1450 rpm GT easily out perform them on a radiator. I used them in push pull configuration for looks.
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Old January 5, 2012, 09:13 AM
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Scythe Gentle Typhoon 120mm 1,850rpm Silent Case Fan at Memory Express


These are decent fans with higher pressure than the Gelids.
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Old January 5, 2012, 10:11 AM
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Man, I guess I'll be switching my fans. Not anytime soon
Though as I'm on tight tight budget. I guess they'll be usable at least temporarily. Damn, was looking forward to a green build.
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Old January 5, 2012, 10:48 AM
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If you can shroud the Gelid Wings, they make for decent rad fans. You need cylindrical shrouds though, or the fan blades will leak too much air.
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Old January 5, 2012, 11:17 AM
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I heard those gelid fans have greater static pressure than the 1850rpm gentle typhoons (2.66 mmH20 vs 2.06 mmH20) and both give off a noise level of 26 db.

Gelid data : GELID Solutions > Products

Gentle Typhoon data : Static pressure data for gentle typhoons


This surprises me as I had always heard that the GT are some of the very very best. Looks like there's an UV green option that still kicks ass for watercooling.

Edit: Could the GT just possibly be directing the airflow in a better-for-watercooling way? I heard that the GT kick the crap outta silverstone airpenetrators too because they have really directed air flow.
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