With a modern design, the Chenbro PC61166 Mid Tower case will look good in just about any setting. The PC61166 features a total of 7 drive bays (4 x 5.25” & 1 x 3.5” external and 2 x 3.5” internal) with 7 expansion slots in the rear. Air circulation and cooling is provided by 1 92mm case fan included with an option for 1 120mm fan. The PC6166 offers users dual USB 2.0 ports in front as well as Mic-In and Headphone ports.