NA-1041/ Entry Network Security Platform with VIA 800MHz CPU and 4 LANs - Supports VIA C3 800MHz low-power processor - Supports onboard 128MB SDARM - Supports four 10/100Mbps Ethernet ports, each with an independent Realtek 8139C chipset - Supports RS-232 console port, double deck USB and CompatFlash™ Socket - Suitable Network Appliance: Virtual Private Network (VPN), SSL/TLS, Firewall, IDS, Load Balance...etc.