My requirements for this system: Fully compatible with Linux (in particular, Arch Linux) Silent (in particular, fanless) Low-power Compact and beautiful Hardware Motherboard: ASRock Q1900DC-ITX RAM: Kingston KVR16LS11/8 (2) Disks: Kingston SV300S37A/240G (1), Western Digital WD10JFCX (2) Case: Streacom F1CWS Evo Power adapter: Targus APA042EU My main reasons for selecting this particular motherboard were the low power consumption, convenience of a decent integrated CPU (Intel J1900), fanless design, Mini-ITX form factor, and complete compatibility with Linux. Other features, also relevant: 4 SATA connectors (2.0 and 3.0), plenty of USB ports (2.0 and 3.0), several graphics outputs (HDMI, DVI-D and D-Sub, all up to a resolution of 1920 by 1200 at 60Hz), and an integrated power supply unit which accepts any voltage between 9 and 19V, ±10%. An additional interesting detail is that this motherboard supports Wake-on-LAN. In terms of RAM, I used 2 8GB DDR3L modules, result