QNAP TS-431K 4BAY QC 1.7GHz, 1GB, 2*GIGA LAN, 3USB 3.2 , RAID 0, 1, 5, 6, 10, & JBOD | TS-431K CPU: AnnapurnaLabs, an Amazon company Alpine AL214, 4-core, 1.7GHz 1GB DDR3 RAM 2 x 1 GbE port 3 x USB 3.2 Gen 1 port 4 x 3.5-inch SATA 6Gb/s, 3Gb/s (Diskless) Drive Compatibility: 3.5-inch bays: 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives