QNAP SS-839 Pro 8-Bay Desktop Network Attached Server CPU Intel Atom Processor 1.6 GHz DRAM 2GB DDRII RAM Flash Memory 128MB DOM HDD 8 x 2.5" SATA I/II HDD HDD Tray 8 x hot-swappable and lockable tray LAN Port 2 x Gigabit RJ-45 Ethernet port LED Indicators