Features: The chassis design supports expansion to four USB 3.2 Gen1 interfaces through PCIe technology, providing extremely fast data transmission capability. It is convenient to connection USB storage devices and cameras, which greatly enhances the flexibility and functional diversity The interior space of the chassis is spacious, which can accommodate various expansion module, such as module and other HAT devices. This design not only improves machine, but also reserves extra space for cable management and reduces clutter. The chassis is equipped with multiple interfaces, including Type C and hdtv interfaces, and screw terminals for connecting devices are also provided. This configuration ensuring the convenient connection between different devices, whether monitors, cameras or other external devices can be easily connection to meet the needs of various usage scenario. The chassis supports two power connection from the front or the back, providing users with great flexibility. Specifications: Component:Metal+Plastic Size:Approx.163x91x43mm/6.42x3.58x1.69inch Package Includes: 1Pc Aluminum Case note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.