One - the following is stolen from NewEgg's Website
"The COOLER MASTER Elite 431 Plus comes with one front 120mm blue LED fan, front ventilation design and four extra fan mounts for efficient ventilation and effective system cooling."
I don't know if it was their video review you saw (I didn't watch it) but it's here if you haven't seen it; http://www.newegg.com/Product/Product.aspx?Item=N82E16811119256&Tpk=cooler%20master%20elite%20431
Enjoy, C