General CPU - Supports 4th generation Intel® Core™ i7 / i5 / i3 / Xeon® / Pentium® / Celeron® in LGA1150 package - 4 Power Phase design Main ASROCK H81M-DGS - Supports Intel® Turbo Boost 2.0 Technology Chipset - Intel® H81 Memory - Dual Channel DDR3 Memory Technology - 2 x DDR3 DIMM Slots - Supports DDR3 1600/1333/1066 non-ECC, un-buffered memory - Max. capacity of system memory: 16GB* - Supports Intel® Extreme Memory Profile (XMP) 1.3 / 1.2 *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 - 32Mb AMI UEFI Legal BIOS with multilingual GUI support - ACPI 1.1 compliance wake up events - SMBIOS 2.3.1 support - CPU, DRAM, PCH 1.05V, PCH 1.5V 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 4400/4600 - Pixel Shader 5.0, DirectX 11.1 - Max. shared memory 1792MB - Dual VGA output: support DVI-D and D-Sub ports by independent display controllers - Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz - Supports D-Sub with max. resolution up to 1920x1200 @ 60Hz - Supports HDCP with DVI-D Port - Supports Full HD 1080p Blu-ray (BD) playback with DVI-D Port *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 / Vista™ / Vista™ 64-bit. ***Intel® InTru™ 3D is only supported under Windows® 8 / 8 64-bit / 7 / 7 64-bit. Audio - 5.1 CH HD Audio (Realtek ALC662 Audio Codec) LAN - PCIE x1 Gigabit LAN 10/100/1000 Mb/s - Realtek RTL8111G - Supports Wake-On-LAN - Supports LAN Cable Detection - Supports Energy Efficient Ethernet 802.3az - Supports PXE Expansion / Connectivity Slots - 1 x PCI Express 2.0 x16 Slot (PCIE1: x16 mode) - 1 x PCI Express 2.0 x1 Slot Storage - 2 x SATA3 6.0 Gb/s Connectors, support NCQ, AHCI and Hot Plug - 2 x SATA2 3.0 Gb/s Connectors, support NCQ, AHCI and Hot Plug Connector - 1 x IR Header - 1 x Print Port Header - 1 x COM Port Header - 1 x Chassis Intrusion Header - 1 x TPM Header - 1 x CPU Fan Connector (4-pin) - 1 x Chassis Fan Connector (4-pin) - 1 x Power Fan Connector (3-pin) - 1 x 24 pin ATX Power Connector - 1 x 4 pin 12V Power Connector - 1 x Front Panel Audio Connector - 2 x USB 2.0 Headers (support 4 USB 2.0 ports) Rear Panel I/O - 1 x PS/2 Mouse Port - 1 x PS/2 Keyboard Port - 1 x D-Sub Port - 1 x DVI-D Port - 4 x USB 2.0 Ports - 2 x USB 3.0 Ports - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) - HD Audio Jacks: Line in / Front Speaker / Microphone Other Features / Miscellaneous Unique Feature - ASRock A-Tuning - ASRock Instant Flash - ASRock APP Charger - ASRock XFast USB - ASRock XFast LAN - ASRock XFast RAM - ASRock Crashless BIOS - ASRock OMG (Online Management Guard) - ASRock Internet Flash - ASRock System Browser - ASRock UEFI Tech Service - ASRock Dehumidifier - ASRock Easy Driver Installer - ASRock Interactive UEFI - ASRock Fast Boot - ASRock Restart to UEFI - ASRock USB Key - ASRock FAN-Tastic Tuning - ASRock U-COP - Boot Failure Guard (B.F.G.) - Good Night LED Support CD - Drivers, Utilities, AntiVirus Software (Trial Version), CyberLink MediaEspresso 6.5 Trial, Google Chrome Browser and Toolbar, Start8 (30 days trial) Accessories - Quick Installation Guide, Support CD, I/O Shield - 2 x SATA Data Cables Hardware Monitor - CPU/Chassis temperature sensing - CPU/Chassis/Power 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 - Micro ATX Form Factor - All Solid Capacitor design OS - Microsoft® Windows® 8.1 32-bit / 8.1 64-bit / 8 32-bit / 8 64-bit / 7 32-bit / 7 64-bit Certifications - FCC, CE, WHQL - ErP/EuP ready (ErP/EuP ready power supply is required) MAIN ASROCK