Optimized expansion: This 4-channel PCIe HAT board is designed for 5, which can expand your single PCIe to 4 channels, thereby maximizing the expansion capacity of your project High-speed data transfer: PCIe to 4-channel PCIe FFC configuration brings faster data processing speed, which is ideal for demanding applications and enhanced functions and reliable: This HAT board is made of high-quality materials to long-lasting and stable operation under various working conditions Easy to install: Equipped with a user-friendly setup interface, it can be easily integrated with for your 5, allowing you to upgrade your system quickly and efficiently Application diversity: Suitable for a variety of applications from game enhancement to complex computing solutions, providing you with unlimited exploration and development possibilities<br><br>(The product printed words depending on the batch, but this does not affect use) Color: Black Material: PCB<br><br>Package Contents: 1 * Expansion Board Kit<br><br>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.