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ASRock H170M-ITX/ac Socket 1151 DVI-D HDMI 7.1 CH HD Audio Mini-ITX Motherboard General Unique Feature ASRock Super Alloy Premium 45A Power Choke Dual-Stack MOSFET (DSM) High Density Glass Fabric PCB ASRock 802.11ac WiFi ASRock Full Spike Protection ASRock Live Update & APP Shop CPU Supports 6th Generation Intel Core i7/i5/i3/Pentium/Celeron Processors (Socket 1151) Digi Power design 6 Power Phase design Supports Intel Turbo Boost 2.0 Technology Chipset Intel H170 Supports Intel Small Business Advantage 4.0 Memory Dual Channel DDR4 Memory Technology 2 x DDR4 DIMM Slots Supports DDR4 2133 non-ECC, un-buffered memory Supports ECC UDIMM memory modules (operate in non-ECC mode) Max. capacity of system memory: 32GB* Supports Intel® Extreme Memory Profile (XMP) 2.0 *Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation. BIOS 128Mb AMI UEFI Legal BIOS with multilingual GUI support ACPI 5.0 Compliant wake up events SMBIOS 2.7 Support CPU, GT_CPU, DRAM, PCH 1.0V, VCCIO, VPPM, VCCSA Voltage Multi-adjustment  Audio, Video and Networking Graphics Supports Intel HD Graphics Built-in Visuals : Intel Quick Sync Video with AVC, MVC (S3D) and MPEG-2 Full HW Encode1, Intel InTru 3D, Intel Clear Video HD Technology, Intel Insider, Intel HD Graphics 510/530 Pixel Shader 5.0, DirectX 12 Max. shared memory 1792MB Dual graphics output: Support DVI-D and HDMI ports by independent display controllers Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI Port (Compliant HDMI monitor is required) Supports Accelerated Media Codecs: HEVC, VP8, VP9 Supports HDCP with DVI-D and HDMI Ports Supports Full HD 1080p Blu-ray (BD) playback with DVI-D and HDMI Ports *Intel HD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated. **Due to chipset limitation, the Blu-ray playback of Intel HD Graphics is only supported under Windows 8 / 8 64-bit / 7 / 7 64-bit. ***Intel InTru 3D is only supported under Windows 8 / 8 64-bit / 7 / 7 64-bit. Audio 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)* Premium Blu-ray Audio support Supports Surge Protection (ASRock Full Spike Protection) ELNA Audio Caps *To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver. LAN 1 x Intel I219V (Gigabit LAN PHY 10/100/1000 Mb/s) 1 x Realtek RTL8111H (PCIE x1 Gigabit LAN 10/100/1000 Mb/s) Supports Wake-On-WAN (on Realtek RTL8111H) Supports Wake-On-LAN Supports Lightning/ESD Protection (ASRock Full Spike Protection) Supports LAN Cable Detection (on Realtek RTL8111H) Supports Energy Efficient Ethernet 802.3az Supports PXE Wireless LAN Supports IEEE 802.11a/b/g/n/ac Supports Dual-Band (2.4/5 GHz) Supports high speed wireless connections up to 433Mbps Supports Bluetooth 4.0 / 3.0 + High speed class II Expansion / Connectivity Slots 1 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)* 1 x Vertical Half-size Mini-PCI Express Slot: For WiFi + BT Module** *Supports NVMe SSD as boot disks **This Mini-PCI Express Slot supports WiFi and mSATA devices. Storage 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1, RAID 5, RAID 10, Intel® Rapid Storage Technology 14 and Intel® Smart Response Technology), NCQ, AHCI and Hot Plug 1 x mSATA Connector (shared with Mini-PCI Express Slot), support RAID (RAID 0, RAID 1, RAID 5, RAID 10, Intel® Rapid Storage  Technology 14 and Intel® Smart Response Technology), NCQ, AHCI and Hot Plug Connector 1 x TPM Header 1 x Chassis Intrusion Header 1 x CPU Fan Connector (4-pin) (Smart Fan Speed Control) 1 x Chassis Fan Connector (4-pin) (Smart Fan Speed Control)* 1 x 20 pin ATX Power Connector 1 x 4 pin 12V Power Connector 1 x Front Panel Audio Connector 1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection (ASRock Full Spike Protection)) 1 x USB 3.0 Header (Supports 2 USB 3.0 ports) (Supports ESD Protection (ASRock Full Spike Protection)) *All CPU/Chassis Fan Connectors can auto detect if 3-pin or 4-pin fan is in use. The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. Rear Panel I/O - 1 x PS/2 Mouse/Keyboard Port 1 x DVI-D Port 1 x HDMI Port 2 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection)) 6 x USB 3.0 Ports (Supports ESD Protection (ASRock Full Spike Protection)) 2 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED) HD Audio Jacks: Line in / Front Speaker / Microphone Other Features / Miscellaneous Software and BIOS Software ASRock A-Tuning ASRock Disk Health Report ASRock USB Key ASRock APP Charger ASRock XFast LAN ASRock XFast RAM ASRock Fast Boot (Fast Boot, Restart to UEFI)* UEFI ASRock EZ Mode ASRock Full HD UEFI ASRock My Favorites in UEFI ASRock Instant Flash ASRock Internet Flash ASRock Crashless BIOS ASRock OMG (Online Management Guard) ASRock UEFI System Browser ASRock UEFI Tech Service ASRock Easy RAID Installer ASRock Easy Driver Installer *These utilities can be downloaded from ASRock Live Update & APP Shop. Support CD - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar Hardware Monitor CPU/Chassis temperature sensing CPU/Chassis Fan Tachometer CPU/Chassis Quiet Fan (Auto adjust chassis fan speed by CPU temperature) CPU/Chassis Fan multi-speed control CASE OPEN detection Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore Form Factor Mini-ITX Form Factor Solid Capacitor design OS Microsoft Windows 10 64-bit / 8.1 64-bit / 7 32-bit / 7 64-bit* *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, WHQL ErP/EuP ready (ErP/EuP ready power supply is required)