Asustor AS-304T Intel Atom 1.6GHz/1GB DDR3/GbE/USB3.0/4-bay NAS Server CPU: Intel Atom Processor (1.6GHz, Dual-Core) Memory: 1GB DDR3 HDD: 4x 2.5" or 3.5" SATA II / III HDD or SSD Expansion: 2x USB 3.0 Ports, 2x USB 2.0 Ports Output: 1x HDMI Port, System Fan: 1x 120mm Fan Noise Level: 24 dB(A)