QNAP TS-228-US 2-bay home & SOHO NAS for data backup and entertainment Form Factor: 2-Bay Port RJ-45: 1 x 10/100/1000M Port USB: 1 X USB 3.0 (Front) 1 X USB 2.0 (Rear) HDD Interface: 2 x SATA (2 x Bay) Processor: ARM v7 1.1 GHz Dual-core Default/ Max. Memory: 1GB LEDs: HDD 1-2, LAN, Status, USB Port Others: 4 x Gigabit RJ-45 Ethernet port