Interesting.
GMat posted this bit of info, about "top cooling" an HDD:
Quote:
Sides are flat, and closer to bottom (and are the same metal part as the bottom).
Cooling a PCB with various components with *one* waterblock (or heatsink), without shorting anything but touching the most things at the same time is ... tough.
So indeed the sides are the hottest *usable* surfaces for cooling.
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With top cooling, I also understood that the motor spindle's heat would have to travel up through the PCB, to be cooled by a top cooler, where a side cooler will capture it.
No HDD "requires" water cooling, and in fact, if the water temp is too high, it'll make things worse. But those 10-15K scsi units sure can benefit from it.
Anyone can get an idea about how hot their HDD's are going to run, by checking out
www.storagereview.com .