ASRock B250M Pro4

ASRock Super Alloy

Supports 7th and 6th Generation Intel® Core™ i7/i5/i3/Pentium®/Celeron® Processors (Socket 1151)

Supports DDR4 2400 (Intel® 7th Gen CPUs) / 2133 (Intel® 6th Gen CPUs) 2 PCIe 3.0 x16, 3 PCIe 3.0 x1, 1 PCI, 1 M.2 Socket (Key E)

AMD Quad CrossFireX™

Graphics Output Options: HDMI, DVI-D, D-Sub

Supports Triple Monitor 7.1 CH HD Audio (Realtek ALC892 Audio Codec), ELNA Audio Caps 6 SATA3, 1 Ultra M.2 (PCIe Gen3 x4 & SATA3), 1 M.2(PCIe Gen3 x2 & SATA3) 6 USB 3.0 (1 Type-C, 2 Front, 3 Rear)

This model may not be sold worldwide. Please contact your local dealer for the availability of this model in your region.

Unique Feature

ASRock Super Alloy

• XXL Aluminum Alloy Heatsink
• Premium 40A Power Choke
• I/O Armor
• Sapphire Black PCB
• High Density Glass Fabric PCB

ASRock Intel® 4-Layer Memory POOL (Planes on Outer Layers) Technology

ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)

ASRock Full Spike Protection

ASRock Live Update & APP Shop

CPU

• Supports 7th and 6th Generation Intel® Core™ i7/i5/i3/Pentium®/Celeron® Processors (Socket 1151)
• Digi Power design
• 8 Power Phase design
• Supports Intel® Turbo Boost 2.0 Technology

Chipset - Intel® B250

Memory

• 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
• 15µ 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.

BIOS

• 128Mb AMI UEFI Legal BIOS with multilingual GUI support
• ACPI 6.0 Compliant wake up events
• SMBIOS 2.7 Support
• CPU, GT_CPU, DRAM, VPP, PCH 1.0V, VCCIO, VCCST, VCCSA, VCCPLL Voltage Multi-adjustment

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
• Gen9 LP, DX11.3, DX12
• HWA Encode/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

• Intel® HD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.
• *The size of maximum shared memory may vary from different operating systems.
• **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

• Gigabit LAN 10/100/1000 Mb/s
• Giga PHY Intel® I219V
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection (ASRock Full Spike Protection)
• Supports Energy Efficient Ethernet 802.3az
• Supports PXE

Slots

• 2 x PCI Express 3.0 x16 Slots (PCIE2: x16 mode; PCIE4: x4 mode)*
• 3 x PCI Express 3.0 x1 Slots (Flexible PCIe)
• 1 x PCI Slot
• Supports AMD Quad CrossFireX™ and CrossFireX™
• 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module**

*Supports NVMe SSD as boot disks

If PCIE5 slot or PCI slot is occupied, PCIE4 slot will run at x2 mode. **M.2 Socket (Key E) and PCIE3 slot share lanes. If either one of them is in use, the other one will be disabled.

Storage

• 6 x SATA3 6.0 Gb/s Connectors, support NCQ, AHCI and Hot Plug*
• 1 x Ultra M.2 Socket (M2_1), supports M Key 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 M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)**

*If M2_1 is occupied by a SATA-type M.2 device, SATA3_5 will be disabled.

If M2_2 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled. **Supports Intel® Optane™ Technology (M2_1 only)

Supports NVMe SSD as boot disks

Supports ASRock U.2 Kit

Connector

• 1 x COM Port Header
• 1 x TPM Header
• 1 x Chassis Intrusion Header
• 1 x Power LED and Speaker Header
• 1 x CPU Fan Connector (4-pin)*
• 2 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)
• 1 x Chassis Optional/Water Pump Fan Connector (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
• 1 x Thunderbolt™ AIC Connector (5-pin)
• 1 x Thunderbolt™ AIC Connector (10-pin)***
• 2 x USB 2.0 Headers (Support 4 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))

• The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
• *The Chassis Optional/Water Pump Fan supports the water cooler fan of maximum 1.5A (18W) fan power.

CHA_FAN2 can auto detect if 3-pin or 4-pin fan is in use. ***Only one Thunderbolt™ AIC Card is supported.

Rear Panel I/O

• 2 x Antenna Ports
• 1 x PS/2 Mouse/Keyboard Port
• 1 x D-Sub Port
• 1 x DVI-D Port
• 1 x HDMI Port
• 1 x USB 2.0 Port (Supports ESD Protection (ASRock Full Spike Protection))
• 3 x USB 3.0 Type-A Ports (Supports ESD Protection (ASRock Full Spike Protection))
• 1 x USB 3.0 Type-C Port (Supports ESD Protection (ASRock Full Spike Protection))
• 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
• HD Audio Jacks: Line in / Front Speaker / Microphone

Software and UEFI

Software

• 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 Tech Service