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Do I need hard drive coolers or heatsinks?

I have written a guide on computer data storage which mentions hard drive cooling. Summary:

1) Correct airflow is more important than strong airflow. most computer cases have air entering from top or bottom of front panel, pass over bays, and exit out the back of the power supply.

2) Ignore fan based coolers. They are cheap, they fail, they squeal, and they push airflow in random directions.

3) Heatsinks are much better at cooling, but only if they are heavy, bulky, and are in good thermal contact with the hard drive.

4) Thin bay-sized coolers without a heatsink and with just a fan are worse than nothing.

Read the guide linked above to find out more.

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