Features: Expand High-Speed Storage: Insert this adapter card into your motherboards standard PCIe 4x slot to add a high-speed NVMe drive installation slot to your desktop computer. Specifically for NVMe solid drive with M Key interfaces, supporting PCIe3.0 4x lane to fully unleash the ultimatedly read/write speeds of NVMe drive. Features a streamlined card for simple installation. Typically equipped with convenient or screw-based mounting option, enabling secure installation without additional tools. Constructed with premium PCB board to ensuring stable transmission, guaranteeing sustained fast speed operating of NVMe drive without performances degradation. Broad compatibility across multiple platforms: Supports mainstream operating systems without requiring additional driver. Specifications: Component: metal Size: 12×9.9cm/4.72x3.9in Applicable: PCIex4 to NVMe/ (M Key) conversion card Package Includes: 1PC PCIex4 to NVMe/ (M Key) conversion card note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution