ASUS Z270-WS LGA1151 DDR4 DisplayPort HDMI 2.0 4-Way SLI CrossfireX M.2 U.2 Z270 ATX Motherboard with Dual Gigabit LAN and USB 3.1 LGA1151 socket for 7th and 6th Gen Intel® Core™ i7/i5/i3 Desktop Processors with support for 64GB DDR4 3866 5-Way Optimization with Auto-Tuning and FanXpert 4 automatically tailors overclocking profiles to your unique build for maximum performance and dynamic system cooling Maximize your connectivity and speed with support for 64GB of DDR4 RAM, integrated dual M.2 / U.2 connectors, and rear USB 3.1 Type A / Type C ports 4-Way SLI / CrossfireX support with Patent-pending SafeSlots feature an injection molding process that integrates metal framing for a stronger, firmly anchored PCIe slot built for heavyweight GPUs Industry-leading 8-channel HD audio enhanced by ASUS exclusive Realtek S1220A driven by Japanese capacitors for warm, immersive sound