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Fan help for H70

G

Gio

Weaksauce
Joined
Nov 25, 2005
Messages
68
I'm picking up a H70 soon and I'm going to replace the stock fans that are included. The 2 fans I am looking at are Gelid FN-PX12-15 or Scythe GT AP-15. Which fan would be better in a push/pull exhaust setup on the H70 rad? I cant seem to compare the static pressure of each fan and little comparison reviews that i can find. I have heard they are both a great fan with good cfm and low db which is what I'm after.

Thanks in advance :)
 
for a heatsink/low-fin density radiator (like any normal closed-loop radiator including the h70) I'd also go with the scythe gentletyphoons (GT), really nice airflow/static pressure/noise volume/overall quality for the price.

edit; it's unlikely that anyone would really have room with the h70 (we're talking about a length of ~130mm or so with 2x 25mm fans + 2x 25mm shrouds on the h70... lol), but don't forget that using fan shrouds can net a decent increase in performance (up to several degrees celsius). the problem with slapping the fan directly on the heatsink or radiator (but esp. on radiators) is that there's always a dead spot where the motor/center of the fan is; by adding a shroud, air is allowed to more easily fill that dead zone because of back-pressure and the space between the fan and cooling fins, the decreased pressure may also reduce any noise caused by cooling fins.
 
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ive done some extensive research on fans before i pulled the trigger on s-flex's for my h50. basically the scythe SFF21G (needs to be the G series) are one of the best fans for rads under 2000 rpm. they have a near 4mm-H20 static pressure, which is better then the GT AP-15. they only spin 50 rpms faster (1900vs1850) so the dBA will be roughly the same.
 
Where could I find fan shrouds for my H50? I've looked around online, and aside from D-Tek's website I haven't seen any (I'm not sure the D-Tek shrouds will fit).
 
GregP24 said:
Where could I find fan shrouds for my H50? I've looked around online, and aside from D-Tek's website I haven't seen any (I'm not sure the D-Tek shrouds will fit).
Click to expand...

just gut some old 25mm fans, cheapest way to go about it.
 
audirs said:
ive done some extensive research on fans before i pulled the trigger on s-flex's for my h50. basically the scythe SFF21G (needs to be the G series) are one of the best fans for rads under 2000 rpm. they have a near 4mm-H20 static pressure, which is better then the GT AP-15. they only spin 50 rpms faster (1900vs1850) so the dBA will be roughly the same.
Click to expand...

I have S-Flex G's in push/pull with my TRUE120 as well, and while I agree with your logic over the GT's, when the S-Flex's are running there is this low pitched hum that comes from these fans that gets amplified the more fans you have. When running full blast, the hum is more like a whine, and when undervolted on a fan controller it is that low pitched hum that I mentioned. I know it's definitely not turbulence nor is it any case or heatsink rattle. While it really isn't loud per se, it can be annoying if your tower is close enough to your head.

I haven't had the time nor the funds to verify this, but I have read from users who have had experiences with both the GT's and the S-Flex's and their conclusions were that the GT's do not have this hum and overall were "quieter"; thus making the experience more pleasing. So it's definitely not just me who hears it. :p

Just figured I would point this out as a heads up in case the OP has sensitive ears. ;)
 
Thanks for your input guys. I have a SFF21F on my Ninja right now and the db is perfect. I was originally thinking of running 2 of those on the H70 but thought they didnt have as good of static pressure for a rad ( I could be wrong). The Kama series is an ok fan but they tend to go alot sooner than other fans from what I've seen. I only know of one person with the Gelid fans and he says they are very good for noise and air movement. I wont be able to use any fan shrouds as I may be limited to clearance issues with the H70 as is with my case.
 
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