Dual-CPU home gateway & entertainment center As the first ASUS N600 simultaneous dual-band Wi-Fi ADSL router, the DSL-N55U provides a stylish design, sophisticated features, & easy setup alongside supreme wireless & wired networking for the home. Two USB (Universal Serial Bus) 2.0 ports allow the DSL-N55U to share printing & scanning functions on a network, & operate as high-speed NAS (Network Attached Storage) when an external storage device is connected. It is fully DLNA certified, & can act as a media server & home entertainment center. Any device, such as a PS3, iPhone, or Eee Pad can directly stream music & video wirelessly through the DSL-N55U. For wired networking, four Gigabit Ethernet ports provide excellent capacity. Support for up to 300, 000 data sessions means the DSL-N55U has around 20 times the networking capacity of other home routers. Data transmission stays fast even when the router is under heavy load, & easy-to-use Qo S settings assure that important traffic ? Vo IP calls or online gaming ? isn′t adversely affected by large file downloads.