Free Express Shipping! Asustor Drivestor 4 Pro Gen2 4-Bay NAS Enclosure 4 x 3.5/2.5" SATA Drive Bays, 1.7 GHz Realtek RTD1619B 4-Core CPU, 2GB DDR4 RAM, 1 x 2.5 Gigabit Ethernet Port, 3 x USB-A 3.2 Gen 1 Ports, RAID 0, 1, 5, 6, 10, JBOD, and Single, Up...