The ASUS Sabertooth 990FX is part of the TUF series of motherboards. If you aren't familiar with the TUF series, it's an acronym for The Ultimate Force. This particular series of motherboards goes through hell and back before it's ready for consumer use. What, in, particular does that mean? Well, the ASUS Sabertooth 990FX as well as the other Sabertooth boards are all certified to military standards for durability. Currently the ASUS Sabertooth 990FX is available for $199.99 plus shipping. This is on the lower end of the current price spectrum that ranges from $189.99 to $249.99.