Brand: ASUSTOR Model: AS4004T CPU: Marvell ARMADA-7020 1.6GHz (Dual-Core) Processor Memory:2GB DDR4 Flash Memory: 512MB DOM Maximum Internal Raw Capacity: 56 TB Maximum Raw Capacity with Expansion Units : 168 TB Network: Gigabit Ethernet x 2; 10Gigabit Ethernet x1 System Fan: 120mm x 1 Power Supply Unit / Adapter: 90W x1 Input Power Voltage: 100V to 240V AC 4 Bay NAS, Marvell Armada A7020 Duad-Core, 2 GB DDR4, Gbe x2, 10G Base-T x1(RJ-45), WoL, System Sleep Mode 4x 2.5" / 3.5" SATAII / SATAIII or SSD 16 (4 free licenses included) 2 GigaLan + 1 x 10GbE (RJ-45) USB3.1 Gen-11 Front + 1 Rear