BIOSTAR Hi-Fi Z87X 3D Ver. 5.x BIOS Z87CF703 Support the Intel 4th generation Core i7 and Core i5 processors in the 1150 package Intel Z87 single chip architecture Support 4-DIMM DDR3-2800(OC)/2600(OC)/2400(OC)/2200 up to 32G maximum capacity 3 PCI Express x 16 supported CFX multi-GPU Technology On board HDMI supported 4K2K resolution enables high-definition image display 100% Solid Capacitors BIOSTAR Hi-Fi 3D Technology inside Built-in 3D Sound Field Headphone Amplifier Built-In 7.1 CH pre-amp for rear speakers 2X sound level Hi-Fi V-Cap for premium sound quality with lower distortion BIOSTAR MCC(Multi-Channel Calibration ) Technology Lucid MVP2 Technology Intel SRT (Smart Response Technology) Intel RST (Rapid Storage Technology) Intel Rapid Start Technology Intel Smart Connect Technology