The X99 OC Formula supports 4th and 5th Generation Intel Core processors. There is 4 way AMD CrossFire and Nvidia SLI support. On the networking side, Intel Gigabit LAN + Qualcomm Atheros Gigabit LAN provide connection. Purity Sounds 2 via a Realtek ALC1150 115dB SNR HD Audio controller with Built-in rear audio amplifier supplies your audio needs. ASRock’s Super Alloy construction features an XXL Aluminum Alloy Heatsink, premium 60A power choke, premium memory choke, , Ultra Dual-N MOSFET (UDM), NexFET™ MOSFET, Nichicon 12K Platinum Caps, Sapphire Black PCB.