z77 slotZ77 Pro3 · 100% All Solid Capacitor Desn · Di Power Desn · Supports Dual Channel DDR3 2800+(OC) · 1 PCIe 3.0 x16, Supports AMD Quad CrossFireX™ and CrossFireXThis guide covers UEFI tuning for ASUS Z77 motherboards, including P8Z77 series, Sabertooth Z77 and Republic of Gamers Maximus V series.