QNAP TS-664-8G NAS System 6-Bay

• 2.9 GHz Intel Celeron N5105/N5095 quad-core processor • 8 GB DDR4 RAM (onboard, not expandable) • 6 x 2.5" and 3.5" hot-swappable bays • 2 x 2.5 Gbps LAN - 2 x USB 3.0 • Form factor: Tower