My drobo was turning itself off every so often. At first, I wasn’t sure why but my 4 seagate 7200 RPM drives were burning hot. I figured it could be a shutdown due to heat. After it happened a couple times, I took the front panel off to help air flow. That helped for a while, but eventually the the occasional shutdowns returned.
I’d check the fan with a flashlight and it would barely move if it moved at all. Since my warranty has long expired, I looked for a new fan. After finding a few on eBay, I did a quick search at BestBuy.com to see if they had anything local at a good price. Sure enough, they did.
120mm Thermaltake fan http://goo.gl/HDosf USB powered and I grabbed one for the front of the drobo and one for the back.
Turns out, this is a absolutely perfect fan and the drobo only needs one. The fan has a small metal stand. Flip it upside-down and it fits perfectly in the rear groove of the drobo.
This stand also places the fan in a perfect position for the best airflow.
A small piece of electrical tape keeps the fan from accidentally slipping out.
It is difficult to see due to the small picture, but the fan doesn’t rest on the power cable so there isn’t any strain there.
How well does this fan work? It pulls more air through the drobo than the original fan did. It fits perfectly on the drobo and doesn’t bounce around. It has a small knob to control fan speed and it is usb powered so there isn’t any problem there. I can feel the air pulling through the sides of the front panel. There is also a noticeable vacuum when removing the front panel. Ok, it isn’t that strong , but it is better than the stock fan and there is no need to crack open the case.
Not bad for $20 and my Seagate 7200’s are nice and cool.