QNAP TS-431P 4-bay Personal Cloud NAS with DLNA, Mobile Apps and AirPlay support. ARM Cortex A15 1.7 GHz Dual Core, Chromecast Support Form Factor: 4-Bay Port RJ-45: 2 x 10/100/1000M Port USB: 3 x USB 3.0 port (1 x Front, 2 x Rear) HDD Interface: 4 x SATA (4 x Bay) Processor: AnnapurnaLabs, an Amazon company Alpine AL-212, 2-core, 1.7 GHz Default/ Max. Memory: 1GB LEDs: System Status, HDD, USB, LAN Power: Power Supply: AC adapter, 90W, 100 - 240V Power Consumption: HDD standby: 11.65W In operation: 26.7W (with 4 x 1TB HDD installed)