Qnap TS-431X-2G-USARM-based NAS with Hardware Encryption, Dual Core 1.7GHz, 2GB RAM, 1 x 10GbE(SFP+) ,2 x 1GbE ARM Cortex-A15 Duad Core 1.7GHz, 2GB DDR3 RAM (max 8GB), SATA 6Gb/s, 1 x 10GbE(SFP+), 2 x 1GbE, hardware encryption, Container Station, Surveillance Station 10GbE readiness, SSD caching. and hardware-accelerated encryption ; Enjoy containerized virtualization and IoT app development with Container Station Rich productivity apps including QmailAgent for central mail management, Notes Station for collaborative note-taking, Qsirch full-text search engine, and much more Build a private cloud to centrally store, backup, share and restore files ; Use the TS-431X to expand the storage capacity of other QNAP NAS with VJBOD Secure access with VPN Server & VPN Client