Barebones Mini ITX Router, Firewall, Network Traffic Monitor/Sniffer with 2Gb DDR3 RAM, 1.8Ghz Dual Core Atom 2500 CPU, Dual Intel Gbe LAN Jacks, PicoPSU-80, and AC to DC Power Supply pfSense, m0n0wall, Smoothwall, and Others Just add your own 2.5" SATA Hard Drive or SSD and your choice of Network Monitoring/Firewall Software for a complete system Certified for 100% Compatibility with pfSense 2.1 32 or 64 Bit Also Compatible with SonicWALL, Smoothwall, Simplewall, Shorewall, Openwall, m0n0wall, IPFire, IPCop, BSD Router Project, and many others Includes M350 Case, PicoPSU-80, AC to DC Switching Power Supply, 2Gb DDR3 RAM, Intel D2500CC Mini ITX Motherboard, and Dual COre 1.8Ghz Low Power Atom CPU 1 Year Warranty