ASRock H270M-PRO4 LGA 1151 Motherboard

- Dual Channel DDR4 Memory Technology
- 4 x DDR4 DIMM Slots
- Supports DDR4 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
- 15 Gold Contact in DIMM Slots

*7th Gen Intel® CPU supports DDR4 up to 2400; 6th Gen Intel® CPU supports DDR4 up to 2133.

**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.

- 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
- Gen9 LP, DX11.3, DX12
- HWAEncode/Decode: VP8, HEVC 8b, VP9, HEVC 10b (For 7th Gen Intel® CPU)
- HWA Encode/Decode: VP8, HEVC 8b; GPU/SWEncode/Decode: VP9, HEVC 10b (For 6th Gen Intel® CPU)
- Max. shared memory 1024MB*
- Three graphics output options: D-Sub, DVI-D and HDMI
- Supports Triple Monitor
- 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 D-Sub 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 HDCP with DVI-D and HDMI Ports
- Supports Full HD 1080p Blu-ray (BD) playback with DVI-D and HDMI Ports

*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.

***Intel® InTru 3D is only supported under Windows® 8 / 8 64-bit / 7 / 7 64-bit.

- 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.

- 2 x PCI Express 3.0 x16 Slots (PCIE1: x16 mode; PCIE4: x4 mode)*
- 2 x PCI Express 3.0 x1 Slots (Flexible PCIe)
- Supports AMD Quad CrossFireX and CrossFireX

*Supports NVMe SSD as boot disks

- 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1, RAID 5, RAID 10, Intel® Rapid Storage Technology 15 and Intel® Smart Response Technology), NCQ, AHCI and Hot Plug*
- 1 x Ultra M.2 Socket (M2_1), supports type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**
- 1 x Ultra M.2 Socket (M2_2), supports type 2230/2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**

*If M2_1 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled.

**Supports Intel® Optane Technology
 Supports NVMe SSD as boot disks
 Supports ASRock U.2 Kit

- 1 x Print Port Header
- 1 x COM Port Header
- 1 x TPM Header
- 1 x Chassis Intrusion and Speaker Header
- 2 x CPU Fan Connectors (1 x 4-pin, 1 x 3-pin)*
- 2 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)**
- 1 x 24 pin ATX Power Connector
- 1 x 8 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))
- 2 x USB 3.0 Headers (Support 4 USB 3.0 ports) (Supports ESD Protection (ASRock Full Spike Protection))

*The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.

**CHA_FAN1 and CHA_FAN2 can auto detect if 3-pin or 4-pin fan is in use.

Software
- ASRock A-Tuning
- ASRock APP Charger
- ASRock XFast LAN*
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock My Favorites in UEFI
- ASRock Instant Flash
- ASRock Internet Flash
- ASRock Crashless BIOS
- ASRock UEFI System Browser
- ASRock UEFI Tech Service
- ASRock Easy RAID Installer

*These utilities can be downloaded from ASRock Live Update & APP Shop.

- Microsoft® Windows® 10 64-bit (For 7th Gen Intel® CPU)
- Microsoft® Windows® 10 64-bit / 8.1 64-bit / 7 32-bit / 7 64-bit (For 6th Gen Intel® CPU)*

*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.