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Model

H81M-DG4

H81M-VG4 R2.0
Form Factor- Micro ATX Form Factor
- All Solid Capacitor design
- High Density Glass Fabric PCB
- Micro ATX Form Factor
- All Solid Capacitor design
- High Density Glass Fabric PCB
Unique FeatureSoftware
- ASRock A-Tuning
- ASRock Disk Health Report
- ASRock USB Key
- ASRock APP Charger
- ASRock XFast LAN
- ASRock XFast RAM
- ASRock Restart to UEFI UEFI
- ASRock Interactive UEFI
- ASRock UEFI Guide
- ASRock Instant Flash
- ASRock Internet Flash
- ASRock Crashless BIOS
- ASRock OMG (Online Management Guard)
- ASRock UEFI Tech Service
Software
- Disk Health Report
- USB Key
- APP Charger
- XFast LAN
- XFast RAM
- Fast Boot (Fast Boot, Restart to UEFI)
UEFI
- Interactive UEFI
- UEFI Guide
- Instant Flash
- Crashless BIOS
- Dehumidifier Function
- Easy Driver Installer

* These utilities can be downloaded from ASRock Live Update & APP Shop.
CPU- Supports New 4th and 4th Generation Intel Xeon / Core™ i7 / i5 / i3 / Pentium / Celeron Processors (Socket 1150)
- Supports Intel Turbo Boost 2.0 Technology
- Supports New 4th and 4th Generation Intel Xeon / Core™ i7 / i5 / i3 / Pentium / Celeron Processors (Socket 1150)
- Supports Intel Turbo Boost 2.0 Technology
Chipset- Intel H81- Intel H81
Memory- Dual Channel DDR3 / DDR3L Memory Technology
- 2 x DDR3 / DDR3L DIMM Slots
- Supports DDR3 / DDR3L 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.
- Dual Channel DDR3 / DDR3L Memory Technology
- 2 x DDR3 / DDR3L DIMM Slots
- Supports DDR3 / DDR3L 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.
Slots- 1 x PCI Express 2.0 x16 Slot (PCIE2: x16 mode)
- 1 x PCI Express 2.0 x1 Slot
- 1 x PCI Express 2.0 x16 Slot (PCIE2: x16 mode)
- 1 x PCI Express 2.0 x1 Slot
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 512MB*
- Dual graphics 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

*The size of maximum shared memory may vary from different operating systems.

**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.
- 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 1024MB*
- Supports D-Sub with max. resolution up to 1920x1200 @ 60Hz

*The size of maximum shared memory may vary from different operating systems.

**Intel HD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.

***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)
- Supports Surge Protection (ASRock Full Spike Protection)
- 5.1 CH HD Audio (Realtek ALC662 Audio Codec)
- Supports Surge Protection (ASRock Full Spike Protection)
Lan- PCIE x1 Gigabit LAN 10 / 100 / 1000 Mb / s
- Realtek RTL8111GR
- Supports Wake-On-WAN
- Supports Wake-On-LAN
- Supports Lightning / ESD Protection (ASRock Full Spike Protection)
- Supports LAN Cable Detection
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE
- PCIE x1 Gigabit LAN 10 / 100 / 1000 Mb / s
- Realtek RTL8111GR
- Supports Wake-On-WAN
- Supports Wake-On-LAN
- Supports Lightning / ESD Protection (ASRock Full Spike Protection)
- Supports LAN Cable Detection
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE
WiFi- n/a- n/a
Rear Panel I/O- 1 x PS / 2 Mouse / Keyboard Port
- 1 x D-Sub Port
- 1 x DVI-D Port
- 4 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
- 2 x USB 3.1 Gen1 Ports (Supports ESD Protection (ASRock Full Spike Protection))
- 1 x RJ-45 LAN Port with LED (ACT / LINK LED and SPEED LED)
- HD Audio Jack: Line in / Front Speaker / Microphone
- 1 x PS / 2 Mouse / Keyboard Port
- 1 x D-Sub Port
- 4 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
- 2 x USB 3.1 Gen1 Ports (Supports ESD Protection (ASRock Full Spike Protection))
- 1 x RJ-45 LAN Port with LED (ACT / LINK LED and SPEED LED)
- HD Audio Jack: Line in / Front Speaker / Microphone
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
- 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 Power LED 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 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) (Supports ESD Protection (ASRock Full Spike Protection))
- 1 x Power LED 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 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) (Supports ESD Protection (ASRock Full Spike Protection))
BIOS- 32Mb AMI UEFI Legal BIOS with multilingual GUI support
- ACPI 1.1 Compliant wake up events
- SMBIOS 2.3.1 support
- CPU, DRAM, PCH 1.05V, PCH 1.5V Voltage multi-adjustment
- 32Mb AMI UEFI Legal BIOS with multilingual GUI support
- ACPI 1.1 Compliant wake up events
- SMBIOS 2.3.1 support
- CPU, DRAM, PCH 1.05V, PCH 1.5V Voltage multi-adjustment
Support CD- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar, Start8 (30 days trial)- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar, Start8 (30 days trial), Orbweb.ME Professional (Win 8.1 / 7)
Software and UEFI
Hardware Monitor- CPU, Chassis temperature sensing
- CPU, Chassis Tachometer
- CPU 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
- CPU, Chassis temperature sensing
- CPU, Chassis Tachometer
- CPU 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
OS- Microsoft Windows 10 64-bit / 8.1 32-bit / 8.1 64-bit / 8 32-bit / 8 64-bit / 7 32-bit / 7 64-bit- Microsoft Windows 10 64-bit / 8.1 32-bit / 8.1 64-bit / 8 32-bit / 8 64-bit / 7 32-bit / 7 64-bit
Certifications- FCC, CE
- ErP / EuP ready (ErP / EuP ready power supply is required)
- FCC, CE
- ErP / EuP ready (ErP / EuP ready power supply is required)
Accessories- Quick Installation Guide, Support CD, I / O Shield
- 2 x SATA Data Cables
- Quick Installation Guide, Support CD, I / O Shield
- 2 x SATA Data Cables