usb ports

Hi, i was jsut taking a look in device manager and i noticed that i have two universal serial bus controllers, should i only have one, and shouldn't it be usb2,

i have a dfi lanparty ultra-d, it has 6 usb on back of computer, and i have hooked up two of the avaliable 4 extra usb conectors to the front of my computer, so in total it could have 10 usb slots.