As the first ASUS N600 simultaneous dual-band Wi-Fi ADSL router, the DSL-N55U provides a stylish design, sophisticated features, and easy setup alongside supreme wireless and wired networking for the home. Two USB 2.0 ports allow the DSL-N55U to share 3G/4G dongle signal; to share printing and scanning functions on a network, and operate as high-speed NAS (Network Attached Storage) when an external storage device is connected. It is fully DLNA certified, and can act as a media server and home entertainment center. Any device, such as a PS3, iPhone, or Eee Pad can directly stream music and 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, and easy-to-use QoS settings assure that important traffic — VoIP calls or online gaming — isn’t adversely affected by large file downloads.