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 fer: 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 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 (The product printed words depending on the batch, but this does not affect use) Color: Black Material: PCB Package Contents: 1 * Expansion Board Kit 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.