The professional-grade WRT1900ACS Dual-Band Gigabit Wi-Fi Router from Linksys offers speeds up to N600 + AC1300 Mbps in addition to a 1.6GHz dual-core processor designed to push data through the network at lightning-fast speeds. With 512MB of RAM, more than double the memory of its predecessor, it improves data transfer speeds so large files transfer more quickly. Multiple users can simultaneously game online, stream movies, and transfer files without lag. The four external antenna configuration expands Wi-Fi coverage in multi-storey buildings and improves signal strength. The WRT1900ACS also features exclusive Linksys Smart Wi-Fi with Network Map software for total home Wi-Fi control anywhere, anytime. The router is Open Source-ready for users who want to customize their firmware.