ASUS’s ‘The Ultimate Force’ (TUF) lineup of boards expanded from one board on the X99 chipset (Sabertooth) to two on X299 with the TUF X299 Mark 1 and X299 Mark 2. The Mark 1 the more feature rich version for X299, with two ethernet ports, eight SATA ports, and a front USB 3.1 (10 Gbps) header, as well as the whole armor look.
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