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From: kony on 12 Sep 2009 15:28
On Sat, 12 Sep 2009 09:57:30 +0100, Rarius
<rarius(a)rarius.co.uk> wrote:

>brassplyer wrote:
>> I've got an older tower case with a drive bay for 4 h/d's stacked on
>> top of each other horizontally - and of course baking each other with
>> their heat output.
>
>
>My first thought was... Why 4 hard drives? Surely it would be better to
>replace these with a one or two 1TB drives.
>
>Rarius


Perhaps, but what if they are 1TB drives, or a RAID array?

I happen to have 6 hard drives in the system I'm typing on.
Why? I don't know. They piled up in there over time, LOL,
and 3 of them don't even have cables plugged in. Damn the
motherboard manufacturers for getting rid of PATA channels,
I could add a PATA PCI card but I don't really need to use
them, so leaving them in the case is as good a place to
store them as any.
From: Timothy Daniels on 12 Sep 2009 22:00
"brassplyer" wrote:
> I've got an older tower case with a drive bay for 4 h/d's stacked on
> top of each other horizontally - and of course baking each other with
> their heat output.
>
> Right now the case has a smaller 80mm fan just under this bay blowing
> inward and a larger (120mm?) fan blowing out. Also a side case fan
> currently blowing inward approximately over and toward the CPU.
>
> I imagine there's air being drawn past the drives from the slotting in
> the case in front of them, but would like to enhance cooling of them.
> Any suggestions?


If the tower case was not designed specifically for the particular
motherboard/heatsink/CPU, and if you're not overclocking your CPU,
you probably don't need the side fan. What that side fan is doing is
increasing the internal air pressure inside the case (i.e. reducing the suction
at the front of the case), and thus reducing the airflow from front to back.
You may not even need the front fan, and since it is not blowing directly
on the hard drives, it too is reducing the suction. If you have slots directly
in front of the hard drives so that air sucked into the case flows over them,
try blocking both the side and front fan intake holes and disabling those fans.
This will maximize the airflow over the hard drives. Then, just relying on
the large rear fan, test the rig. If the hard drives feel at about body temp,
you've solved the hard drive cooling problem. Monitor the CPU temp
while doing this, though.

*TimDaniels*


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