The SI 5101 is an all black mid tower case. Supports a GPU up to 298mm and a CPU cooler up to 150mm. Designed for air cooling, in addition to the 80mm rear fan, you can install up to two 120mm fans on the side panel and on the front panel for a total of four fans For storage, the spacious interior design supports up to five 3.5inch HDDs and two 2.5inch HDDs/SSDs or choose to install four 3.5inch HDDs and three 2.5inch HDDs/SSDs. For connectivity, it has one USB3.0 and two USB2.0 ports. Easily connect your headset through the HD Audio & Mic. port in the front.