new and high quality Compatible extension: PCIEx1 + COMx6 + WIFIx2. Compatible hard 3.5 inch + 2.5 inch or 2.5 inch x 2. Compatible motherboard: 17x17cm / 17x19cm / 19x19cm. Exquisite chis, small and exquisite. Suitable for scenarios, can be placed horizontally, saves a lot of space. Front panel I/O: USB3.1 (gen1) + USB 2.0 + High O. Multi-face heat dissipation, install-height card slot, radiator height limit 50mm/1.97in. Simple panel, front 4xUSB and o easy to use. Size:. 21.5x22.1x9.8 for cm/8.46x8.70x3.86in Thickness: . 2mm/0.08in Note: Install a full-height card slot, and the maximum height of the CPU cooler is 50mm/1.97in. Install a full-height card slot, and can'for t install a 25mm/0.98in thick 3.5-inch hard Color:Black Material:Aluminum Alloy Package Contents: 1 * Compute Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.