Lian Li today unveiled the latest mid-tower chassis in its new TYR series, the PC-X900. The gaming-orientated PC-X900 is designed for the easy installation and maximum cooling of components. The new case features three 5.25" optical drive bays, seven tool-less 3.5" HDD bays, seven PCIe slots, four USB 3.0 ports, one eSATA port and one HD audio port. Cooling is provided by five 120mm LED fans (two at the back, and three at the front), along with two heat zones which separate the heat generated from components. A clear side window is included on the right-hand panel of the case, and a fan controller is also included in the back of the case The PC-X900 weighs in at 8.22kg and measures 230 x 598 x 388mm (WxHxD). The Lian Li PC-X900 will be available later this month in silver and black for US$439 excluding tax, and in red for US$499 excluding tax.