Unique Feature ASRock USB 3.1 Gen2 - ASRock USB 3.1 Gen2 Type-A Port (10 Gb/s) - ASRock USB 3.1 Gen2 Type-C Port (10 Gb/s) ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 60A Power Choke - Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke) - Dual-Stack MOSFET (DSM) - Combo Caps - Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors) - I/O Armor - Matte Black PCB - High Density Glass Fabric PCB Intel ® 802.11ac WiFi ASRock Steel Slots ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3) ASRock Full Spike Protection ASRock Live Update & APP Shop CPU - Supports 7 th and 6 th Generation Intel ® Core™ i7/i5/i3/Pentium ® /Celeron ® Processors (Socket 1151) - Digi Power design - 12 Power Phase design - Supports Intel ® Turbo Boost 2.0 Technology - Supports Intel ® K-Series unlocked CPUs - Supports ASRock BCLK Full-range Overclocking - Supports ASRock Hyper BCLK Engine II Chipset - Intel ® Z270 Memory - Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots - Supports DDR4 3733+(OC)*/3600(OC)/3200(OC)/2933(OC)/2800(OC)/2400**/2133 non-ECC, un-buffered memory - Supports ECC UDIMM memory modules (operate in non-ECC mode) - Max. capacity of system memory: 64GB*** - Supports Intel ® Extreme Memory Profile (XMP) 2.0 - 15μ Gold Contact in DIMM Slots *To install Windows ® 7 OS, a modified installation disk with xHCI drivers packed into the ISO file is required. Please check our User Manual for more detailed instructions. For the updated Windows ® 10 driver, please visit ASRock's website for details. Certifications - FCC, CE - ErP/EuP ready (ErP/EuP ready power supply is required)