SMB QNAP TS-431P3-2G NAS, 4 trays 3,5"/2,5". 1xGbE RJ-45, 1x2,5 GbE RJ-45. ARM Cortex-A15 Annapurna Labs AL-314 1,7 GHz, 2GB SO-DIMM DDR3 up to 8GB (1x8 GB)