motherboard chipset fan?

[JH68]

I have a giga-byte GA-8IHXP and the chip set fan went out and not sure what size it is. Does anyone know? It is small so i was wondering if it was 40mm or 50mm. Also its 3 pin

 

[Corporate Thug]

prolly a 40 mm, if u are looking for a replacement, cheack out the passive ones from zalman and iceberq 4 from vantec