ASUS Socket AM3+FX - AMD 990FX - Republic of Gamer Series SB950 ATX DDR3 2133 Motherboards (Crosshair V Formula/Thunderbolt) Socket AM3+ FX AMD 990FX / SB950 Chipset ROG Connect - Plug and Overclock - Tweak it the hardcore way 3-Way NVIDIA SLI / AMD CrossFireX Technology Intel Gigabit LAN - Experience the fast network connectivity Socket AM3+ FX AMD 990FX / SB950 Chipset ROG Connect - Plug and Overclock - Tweak it the hardcore way 3-Way NVIDIA SLI / AMD CrossFireX Technology Intel Gigabit LAN - Experience the fast network connectivity Thunderbolt Card - Crystal clear sounds and a dedicated NPU 6 SATA 6Gb/s ports with RAID 0, 1, 5, 10 + 1 eSATA III 3-Way NVIDIA SLI / AMD CrossFireX Technology