The Portwell CAF-0101 is a fanless networking appliance in a compact desktop format. It offers superior energy efficiency in a small form factor with its new Intel Atom processor and four Gigabit Ethernet ports plus supporting Wi-Fi expansion option. The CAF-0101 works best when used for routing and other networking purposes in small to medium businesses (SMB) or small and home offices (SOHO), for example as a dedicated firewall to protect network and data against cyberattacks.