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Radiator Fan suggestions.......?

R

Razmo

Weaksauce
Joined
Feb 8, 2008
Messages
90
Hey guys,

I'm looking for a quality 120mm fan. I'm essentially aiming for silence yet more than enough continued air flow ;) Any suggestive help would be greatly appreciated.

Thanks,
Raz
 
Few 120mm fans are better than other 120mm fans in real world comparisons. Your run of the mill 1200rpm yate loon performs within a degree of a 20$ 1200rpm Noctua "wallet-sink".

For a radiator you want a high pressure fan. I'm a big, big fan of the 38mm thick Yates these days. Awesome fans when undervolted @5v.
 
I do intend to regulate the RPM with an NZXT Sentry fan controller. Should I be considering voltage specs given my NZXT Sentry intent? The 38mm Yate Loons look to be a good choice.

Raz
 
Last edited:
high speed yate loon D12SH-12 from Jab-tech $3.80 per fan ($3.30 if you buy 4 or more)
 
Well, just off the phone with a NZXT tech. I was told that I will need a fan with an RPM sensor in order to achieve the RPM reporting function of the NZXT Sentry LXE unit.

It's never easy, further suggestions would be greatful...

Raz
 
alright, that's a low fin-density rad, pretty much any fan will show decent results on it, so if you want to go with the yate loons for the price you should be fine.
 
Thanks, I assume low density is the preferred radiatior type, yes?

Also, any chance you're familiar with NZXT's Sentry LX or LXE fan controller? I'm trying to confirm whether the unit with report RPM using any standard fan.

Thanks again,
Raz
 
I'd go for san ace 9G1212H101 fans. They undervolt really well and will provide you the best pressure/silence/airflow combination. Scythe GT1850rpm fans are my pick if you need a 25mm thick fan.
 
Razmo said:
Thanks, I assume low density is the preferred radiatior type, yes?

Also, any chance you're familiar with NZXT's Sentry LX or LXE fan controller? I'm trying to confirm whether the unit with report RPM using any standard fan.

Thanks again,
Raz
Click to expand...

sorry, not too familiar with fan controllers.

low fin-density rads are normally preferred by "normal" enthusiast on 24/7 overclocks because they don't require you to strap on the "jet engines" for good results. you can slap on almost any decent 25mm fan and get good performance, 32mm and 38mm fans along with the costly high-end server fans will still show performance gains though.

the low fin-density rads are out performed by high fin-density rads of equal size, but they require you to sacrifice the more silent operation to do so (will need high performing fans).
 
Skull_Angel said:
sorry, not too familiar with fan controllers.

low fin-density rads are normally preferred by "normal" enthusiast on 24/7 overclocks because they don't require you to strap on the "jet engines" for good results. you can slap on almost any decent 25mm fan and get good performance, 32mm and 38mm fans along with the costly high-end server fans will still show performance gains though.

the low fin-density rads are out performed by high fin-density rads of equal size, but they require you to sacrifice the more silent operation to do so (will need high performing fans).
Click to expand...

Hey Skull, I'm slightly confused by your last statement. Do you mean the high fin-density rads require higher speed fans to compare to that of a low fin-density using low speed fans?

Raz
 
FaRKle0079 said:
I'd go for san ace 9G1212H101 fans. They undervolt really well and will provide you the best pressure/silence/airflow combination. Scythe GT1850rpm fans are my pick if you need a 25mm thick fan.
Click to expand...

Thanks Fark, I'll take a closer look. I am aiming for 38mm at this time..

Raz
 
Razmo said:
Hey Skull, I'm slightly confused by your last statement. Do you mean the high fin-density rads require higher speed fans to compare to that of a low fin-density using low speed fans?

Raz
Click to expand...

sort of. in the normal 25mm fan ranges of 1200~1600rpm, high fin-density can perform close to low fin-density rads, but at lower speeds they tend to fall way behind.

since the air flow is much more constrictive on these rads you need fans capable of pushing decent amounts of air though them, what you need for high fin-density rads to show their worth is high static pressure from the fans. 25mm fans don't normally cut it unless you get into the 1800+ rpm range (which starts to get decently audible). good quality 38mm fans can do it at slightly lower rpm and sound profile (one of the most highly recommended would be the san ace 9G1212H1011), but these can end up getting very expensive at $20+ each normally.
 
Skull,

It sounds as if I shouldn't have any trouble acheiveing honorable cooling at near silence with the MCR320 Rad. I think I'm aiming for the Yate Loon 38mm low speed fan. Let me know if you think this is a poor choice....

Thanks,
Raz
 
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