Features: Upgrades your systems storage capabilities with PCIe4.0 4X to Key M Adapter, enabling seamless connection of PCIe4.0 cards to laptops/desktops through slots while maintaining stable 64Gbps bandwidth.Engineered with FFCs cables and high TG PCB featuring 1oz thickened copper layers and gold plated connectors, this adapter ensures minimal signals loss and oxidation resistance for high frequency PCIe4.0 4x performances.for gamers, content creators, and IT professional requiring expanded NVMe hdds capacity in space constrained devices like compact PCs, workstations, and high performances laptops.Perfect for upgrading storage arrays, adding secondary hdds, or integrating RAIDs configurations without compromising motherboard space home offices, gaming rigs, or data intensive work environments.The 20cm flexible cable allows optimal component positioning while maintaining PCIe4.0 signals integrity, reducing blue screen risks caused by impedance fluctuations during extended data transfers.Specifications: Materials: PCBSize:as picture showStyles: Left Turn, Right Turn, 180 Degree (optional)Package Includes: 1PC NVMe to PCIe 4X Cable1PC 4Pin to SATAs Power Cable1PC Screwdriver2Pcs Screwnote: Please allow 0-1cm error due to manual measurement.Due to the differences between different monitors, the Pictures may not reflect the actual of the item.