Thermaltake S500 Tempered Glass Edition Mid Tower Chassis S500 Tempered Glass Edition mid-tower chassis combines sophistication and elegance and is all built with a modern Steel case construction. The S500 is manufactured with one Tempered glass side panel. Two preinstalled standard fans, 140mm at the front and 120mm at the rear to enable outstanding ventilation. S500 TG incorporates a full modular design, vertical radiator & GPU mount, Patented Rotational PCI-E slots, and the support for 200mm fans. The flexibility is limitless for high-end components. For storage this case has four drive trays with modular drive racks, delivering advanced storage capacity and great liquid cooling expansion. S500 TG is a great fit for users who are looking for a modern and stylish chassis. Built-in PSU Cover and Riser GPU Bracket The built-in PSU cover with a ventilated design can improve airflow and hide those unsightly cables. The integrated riser GPU support bracket not only prevents the graphic card from sagging, but helps reduce the weight on the motherboard PCI-E slots. Patented Rotational PCI-E 8 Slots Design With Patented Rotational PCI-E slots, you can choose the way you want to display graphic cards vertically which helps you gain flexible space for system. Tempered Glass Window The 4mm tempered glass window on the side of the S500 TG is built to be more durable, scratch resistant, and transparent for an advanced view of your hardware.