Note:Not include SSD Dual Modes: Your Personal Cloud Storage and High-Speed Portable Drive! Global Access: With over 10 super gateways strategically placed worldwide, enjoy high-speed communication services catering to users across five continents. (Nodes pending activation in Russia, India, and South Africa) High Capacity: Compatible with 3.5-inch SATA mechanical HDDs or SSDs up to 15mm thickness, supporting a maximum of 20TB Flexible Expansion: Easily expand your NAS storage by connecting external storage devices such as USB drives, external HDDs, disk arrays, and more through the USB-C interface. Performance Specs: Powered by Weline OS, ARM Quad-Core processor, 1GB DDR4 RAM, 8GB eMMC flash memory, 1GbE Ethernet port, and USB 3.2 Gen 1 Type-C at 5Gbps.