Product Name: M.2 (A+E Key) to 2-Port SATA Expansion Card - Transfer Interface: NGFF M.2 2230 key A/E. - Connect 2 SATA Devices: This card allows users to expand their PC's storage capabilities by converting the M.2 (A+E Key) slot into 2 SATA ports. Easily connect dual SATA SSDs or traditional mechanical hard disks using standard SATA cables. - Enhanced Compatibility: Ideal for use in a variety of systems including PCs, servers, industrial computers, consumer electronics, and storage devices. Perfect for NVR/DVR systems that require additional storage solutions. - Compact Size: Designed to fit comfortably in your system, the card adheres to the standard M.2 2230 dimensions, ensuring easy installation and minimal space usage. - Reliable Performance: Built to provide stable and efficient data transfer, this expansion card meets the needs of users looking to enhance their data storage capacity without compromising on speed or reliability. Use Scenarios: 1. Upgrade your desktop or laptop: Add more storage for your operating system and applications by connecting additional SATA SSDs, optimizing your workflow and data access times. 2. Expand surveillance storage: Connect 2 SATA hard drives to your NVR system, allowing for extended video recording capabilities. 3. Enhance server capabilities: Increase your server's storage for databases or virtual machines, ensuring your operations run smoothly with additional space and reliability.