Adapter Card with 4 expansion slots that can simultaneously support 4 x 32 Gbps full-speed signals. High quality design features a solid structure and thicker PCB material to stabilize the PCIe x16 interface and help protect important data. Compatible with motherboards that support PCIe bifurcation or PCIe functionality; supports PCIe 3.0 and 4.0 protocols. Delivers reliable performance with no disk loss, no speed reduction, and no signal blocking. Equipped with a high-performance DC power chip for stable operation of M.2 NVMe SSDs. User-friendly design includes 4 LED indicators for easy monitoring of 4 hard drives; simple and convenient to use. Color: Black Material: Plastic Package Contents: 1 x PCIe NVMe Adapter Card Note: The package includes only the items listed above. Other products are not included. Note: Lighting effects and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3 cm.