QNAP 4-bay NAS/iSCSI IP-SAN, AMD R series Quad-core 2.1GHz, 4GB RAM, 10G-ready, AMD RX-421ND 2.1 3.4 GHz, 4GB DDR4 RAM, 4x 2.5"/3.5" + 2x M.2 2280/2260 SATA 6Gb/s drives, 4x GbE LAN, optional 10GbE PCIe expansion