QNAP TS-431X3-4G 4-Bay ARM-based NAS with Hardware Encryption, Quad Core 1.7GHz,4GB RAM,10GbE SFP+,2.5GbE and 1GbE LAN The quad-core TS-431X3 provides four drive bays for high-capacity storage with expandable memory up to 8GB RAM to meet data backup,...