The 301 white continues the simple and clean top/front panel interface, while maintaining the LED front I/O. Accompanied with a toolless, screwless tempered glass side panel. Also, 301 is constructed of 1.2mm SECC steel, which has separate PSU chamber and support up to 5 fans to creates efficient air flow for quick heat dissipation. This extremely flexible interior structure allows the users to take their functional cooling options, and design their own work of art. The 301 has one 3.5/2.5HDD tray, and it supports up to three 2.5 SSDs. It also has four PCI-E slots at the rear and plus one graphic card support to keep stable.