In my 8500s, I found a fan dedicated to each ATA/100 Seagate that I added, dramatically reduces the heat of the drive. I have one additional drive mounted in a homemade bracket on the floor of each machine. It has a fan dedicated to it, and I feel confident as long as the fan spins, my drive will last as long as it is supposed to last ... backups are a regular task, though, with any ATA.--------------------------
The 8500s main fan I believe draws air in from the bottom sides' vents, and out the back.
I also noticed while testing, that the temperature spikes when the machine is turned off ... which makes sense ... the fans go off, and the drive needs time to dissipate its built-up heat.
My two-cents worth.
Bill
A fan dedicated to each hard drive is an excellent idea and one not practiced by enough people. I maintain a fleet of Macs used for heavy duty professional graphics work and I have come to be a cooling fanatic because of hard drive failures caused by inadequate cooling. I notice Apple has gotten the message as well, equipping the G5's with multiple fans!
Our hard drive failure rate has dropped to zero (for now, keeping fingers crossed) since we made sure every hard drive in every Mac has cooling air flowing over it. Backups are necessary but hard drive failure seems to catch people at bad times. Cool those hard drives and make your life easier!
--
James K Morgan
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