Qnap TS-431K 4-Bay TurboNAS Enclosure - AnnapurnaLabs, an Amazon company Alpine AL214 Quad core Processor (1.7 GHz 4 cores), 1GB DDR3RAM, 512 MB Flash Memory, Drive Interface: 4x 3.5-inch 6Gb/s, 3Gb/s SATA Hard Drive Bays, Hot-swappable, Connectivity: 3 x USB 3.2 Gen,2 x Gigabit Ethernet Ports, 90W Power Supply