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prodigy2k7 · Mon Oct 06, 2008 5:30 pm

So, how does fan sizes actually work? Hole to hole vertically or what?

SnowboardingTobi · Mon Oct 06, 2008 6:42 pm

I'm pretty sure it's hole to hole along an edge.

Standard fan sizes for computers these days seem to be 80mm, 92mm, and 120mm.

Mon Oct 06, 2008 7:54 pm

It's edge-to-edge. You can see that the hole spacing is smaller on this diagram:
http://db.sanyodenki.co.jp/product_db_e ... er_id=1993
http://db.sanyodenki.co.jp/product_db_e ... er_id=2004
http://db.sanyodenki.co.jp/product_db_e ... er_id=1652

SnowboardingTobi · Mon Oct 06, 2008 8:06 pm

JustAnEngineer wrote:
It's edge-to-edge.

Whooops... I stand corrected.

prodigy2k7 · Mon Oct 06, 2008 8:12 pm

thanks

Are there different depths for fans? I dont want to buy a fan too thick, my case has a small area for a 80mm fan, but I dont want a high flow fan to be too thick...

Mon Oct 06, 2008 8:13 pm

Yes, there are different thicknesses for fans. Most cases are designed to work with fans that are 25mm thick. You may be able to mount a monster 38mm thick fan in some locations, but it could be a challenge.

prodigy2k7 · Mon Oct 06, 2008 8:16 pm

WOW SUPER FAST REPLY! Thanks

Usacomp2k3 · Tue Oct 07, 2008 10:24 am

prodigy2k7 wrote:
WOW SUPER FAST REPLY! Thanks

And accurate to boot!

rexx123456 · Fri Jun 01, 2012 12:40 am

Thank you JustAnEngineer,

This page really helped me to pick the right case fan for my computer.

Begabolia · Thu Jun 14, 2012 2:19 am

Most of the fans are in standardized format.
80mm,90mm,120mm.
120mm is most popular among the overclocker.

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