Antec SX840

mis3

Junior Member
Jan 12, 2002
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I am thinking to get the Antec SX840 to build my new P4 system. Anyone has comments on this case?
I know it comes with 2 80-mm case fans, are they the Antec Smart Fan (the ones who runs faster/slower depend on the temperature) or just regular ones?
 

punkrawket

Golden Member
Oct 6, 2001
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they be just regular fans..... nice none the less... but not the most quietest...

you'll hear nothing but good about the SX series cases.... excellent cases
 

mis3

Junior Member
Jan 12, 2002
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Too bad. Iwill try these fans first and to change them only if they get too noisy.
In the SX840, they are 2 fan slots behind the front panel and 2 in the back below the power supply. I am thinking to install one fan in the front at the top slot and the 2nd fan in the back also in the top slot? What do you think?
 

terrend

Junior Member
Jan 27, 2002
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I have the SX830, and will be using the SX6xx series for an upcoming machine. Fantastic cases, though not quiet. My dual-athlon box has 7 fans (PS, 2xCPU, Geforce3, and 2xcase). Sounds like an airliner! But the latched door, drive rails, and removable HD bay are now must-have features for me.

Anyway, no need to move the case fans. As I see it (and I could be wrong here, but it's working for me), if you keep the cover on (which you should), the rear and PS fans will promote airflow from front to back -- they will all be sucking air from the front. If you get one of the fans blowing, it could upset this natural airflow -- air can now enter OR exit through the empty rear fan slot -- and can't increase the total air flow.

To see what I mean, keep the standard fan config and turn the machine on. Put your hand on the front grille; you'll feel cold air being sucked in. Put your hand over the rear fans; you'll feel warm air being blown out (nowhere else to go).

In theory, you could install more fans at the front blowing in, but I don't see the point. The rear fans are already exchanging as much air as they can. Using the HD fan slot might be helpful to promote air flow over the HDs, but it's not going to get more total air flow into or out of the box. To my mind, it seems most useful to promote a steady stream of airflow from one side of the case to the other, bringing cool air in one side and expelling warm air out the other.

Terry
 

TheBDB

Diamond Member
Jan 26, 2002
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I have the 840, am running using it right now.
I use the "wind-tunnel" fan configuration with one fan in the bottom front and one in the top rear. I'm getting pretty good temps with this setup, but I'm not overclocking.
Overall the 840 is a great case. The side door is useful if you tinker a lot like I do!!
 

JameyF

Senior member
Oct 5, 2001
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I have the 840. It's the best case I've owned. There are a few things that could be improved (MB tray, front USB built in). For a solid, well built case with a rockin' PS; you can't go wrong. The fans are a tad loud, but not unbearable, and certainly not loud for the cooling they provide. I suggest leaving the fans in the back, and adding one fan in the HD cage to keep those cool. Most people are using 7200 RPM drives and although they run cooler than older 7200 RPM drives, I still feel more comfortable fanning them.
 

NewCompGeek

Banned
Dec 17, 2001
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anybody know the specs of the case fans?

and btw chieftec makes the same case without case fans and cost cheaper (check newegg.com)