QNAP ARM-based NAS with Hardware Encryption, Quad Core 1.4GHz, 2GB RAM, 4 x 1GbE, 10G-ready (TS-531P-2G-US) ARM Cortex-A15 Dual Core 1.4GHz, 2GB DDR3 RAM (max 16GB), SATA 6Gb/s, 4 x GbE LAN 10GbE Ready via optional PCI-E NIC, hardware encryption, Container Station, Surveillance Station, max 2 UX-800P/UX-500P expansion units 10GbE readiness, quad LAN ports and SSD cache ; Hardware-accelerated encryption engine for efficient cryptographic performance exceeding 400 MB/s Enjoy LXC and Docker lightweight virtualization technologies with the Container Station ; Manage, share, and back up business data with Real-time Remote Replication (RTRR) Qsirch, a near real time full-text search engine, helps quickly find specific NAS data (supported by TS-531P with 8GB RAM) ; Scales up to 21 drives with QNAP UX-800P expansion enclosures