What size fans do I need?

[Lee2003]

I want to buy some Highj power case fans but I don't know what size my case takes, the case is a Nokia type case what size fans can these take?

[Memphis]

I'm fairly sure they will be 80mm mounts.

[Lee2003]

I want to purchase some 8CM neon fans but I don't want to buy them only to find out they don't fit. How can I tell what size they are?

[Memphis]

Ruler?

[T-ViBeR]

80mm = 8CM even my 9 year old bro prop no that

[xdeity]

ther is usually 80mm (8cm) mounts on most cases at the back and front