Asrock Z77 motherboard uses Intel Z77 chipset, supports DDR3 2800+(overclocking)/2400(overclocking)/2133(overclocking)/1866(overclocking)/1600/1333/1066 non-ECC, un-buffered memory, supports AMD Quad CrossFireX™ technology, 3-Way CrossFireX™ technology and CrossFireX™ technology, supports NVIDIA® Quad SLI™ technology and SLI™ technology, supports HDMI 1.4a technology, maximum resolution up to 1920x1200@60Hz, supports DisplayPort, maximum resolution up to 2560x1600@60Hz