Synology DiskStation DS1812 + NAS server (Intel dual core, 2,13GHz, 1GB DDR3 RAM, 8x SATA II, 2x USB 3.0) (Personal Computers)
solidly built, extremely quiet, low power consumption (especially in standby mode), good DSM 4.2 with regular updates & fine support to some Western Digital 3TB wd30efrx red that will never warmer than 23 degrees Celsius perfect, I am very satisfied