Features 1、[PCIe Expansion Card] This expansion card provides 4 PCI E x1 interfaces, offering versatile expansion capabilities to meet various connection needs. 2、[Efficient PCIe Expansion] Solve the limitation of PCIe interface with this PCIe expansion card, providing a solution for expanding connectivity options. 3、[Reinforced Bottom] This PCIe X1 expansion card features reinforced bottom design, resistant to deformation, guaranteeing durability and longevity. 4、[Stable Data Transfer] Utilizing multi layer circuit boards, this 1 to 4 PCIe adapter card can achieve stable and high speed data transfer, ensuring that signal remains uncompromised. 5、[ESD Protecting] It is recommended to use with caution and take electrostatic protecting measures when using the product to prevent damage. Specification Item Type: M.2 PCIe to PCIe X1 Expansion Card Material: PCB Main Controller: ASM1184E Product Interface: M.2 Mkey PCI-E Interface Quantity: 4 x PCI-E x1 Interface Support System: for OS X, for WIN, for Linux Package List 1 x Expansion Card 1 x Screw 1 x Screwdriver