Features: Experience blazing fast data transfer with this PCIE4.0 expansion card, supporting speeds up to 64Gb/s for significantly improved read and write performances on compatible devices. Designed for versatiled connection it features plugs play installation for NVMe drive and controllers, ensuring easy setups without complex configuration and compatibility with most motherboards. Perfect for such as upgrading gaming rigs or workstations where stable, high bandwidth access to multiple storage devices is essential for optimal performances. The PCIE X16 port can improve the reading and writing performances of the hard disk and enable high-speed expansion and transmission, allowing the computer to fully utilize its performances and increase operating speed; Suitable for computers with motherboards that support PCIE signals splitting, and can run 4 NVMe hard drives at the same time (motherboards without signals splitting can only run disks with SSD1 interfaces); Specifications: Product name: PCIE4.0 X16 1-to-4 NVME expansion card Input : PCIE X16 Output : 4xNVME (M-Key) Supported devices: NVMe hard drive Supported systems: widely Note:Without NVME hard drive Support 4-port NVME PCIE4.0 X16 is backward compatibles PCIE3.0 Size about 180x68mm Package Includes: 1PCS Expansion card 4PCS 1.0MM silicone gasket 1PCS Screwdriver note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution