NC9I-525 Intel Atom D525 + NM10 Chipset Support INTEL® Atom Dual-Core D525 CPU Support 2 * 3Gb/s SATAⅡ Support 2 * DDR3 800MHz Single CH SO-DIMM up to 4GB Supports 1 * Gigabit LAN Support 6 * COM ports (COM2 for RS232/422/485) Integrated Realtek ALC662 HD Audio CODEC with 6-CH Support Watchdog Technology Support CPU Smart FAN Mini-ITX Form Factor(170mm x 170mm)