what is the difference between 80mm and 120mm style of fan? Is this the overall width of the fan? Trying to replace Apevia CD1225 case fan but these are the only numbers I can find.

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Accepted Answer

It's the measurement of the diameter of the fan. I looked up the CD1225 for you and it's a 120 mm case fan. The CF12S-UBL should work fine for you as a replacement. You'll want APEVIA CF12SL-UBL 120mm Blue LED Cooling Fan if you want the blue LEDs though. One thing I did note is it seems the 120 and smaller only come with 4 pin connectors. Shouldn't be an issue, just my 140 mm fans have 3 pin and 4 pin.

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