Plastic Outer Shell, Steel Body, Tempered Glass Side Panel 2 x USB 2.0 / 2 x USB 3.0 / 1 x Audio / 1 x Mic Front Ports Standard PS2(ATX) Power Supply 4 x 2.5" or 3.5" Internal 3.5" Drive Bays Includes three 140mm RGB LED fan guards with built-in RGB LED strips for advanced lighting effect Built-in dual-mode LED light controller for adjusting colors and modes Primera is the Spanish word for “first” or “first class.” Cases in this series are designed for those seeking to build PCs with rich feature set and trend-setting aesthetics. The PM01-RGB is an incredible computer case that advances the original PM01 design, a case that was among the top performing cases released in 2016. It substitutes single color LEDs with RGB variants and has a full tempered-glass side panel to make PM01-RGB’s supercar inspired design feel even more luxurious and dazzling. Besides standard RGB light strips, the case includes SilverStone’s exclusive RGB fan guards that can change colors and lighting modes easily via LED control button on the top panel, or by compatible motherboard’s software utility. For those looking to get a case that can deliver cooling performance as good as model : SST-PM01B-RGB tag : Computer Cases