Feb 03, 2013 Written by: MHL Video: Behind The Scenes At What Makes TUF, Tough! Articles: Videos Motherboards Article Tags: Videos Ever wonder how ASUS gets the TUF Series motherboards so reliable, stable and long lasting that we can give them an industry-leading 5-year warranty, even when run under extreme conditions? With military and server-grade quality assurance we'd like to show you one part of the strict TUF testing process that makes them the the most durable boards on the market. Testing the MTBF ( Mean Time between Failure) is done with grueling real-world conditions using large sample sizes. That's how you get TUF reliability: no simulations, only proven results. Articles: Videos Motherboards Article Tags: Videos Sabertooth X79 Sabertooth Z77 TUF sabertooth Sabertooth 990FX R2.0 What makes TUF tough?