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ASRock B250M Pro4 Motherboard

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ASRock B250M Pro4 Motherboard

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  • 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, 1 PCIe 3.0 x1, 1 PCI
  • 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, 2 Ultra M.2 (One supports PCIe Gen3 x4 & SATA3, the other one supports PCIe Gen3 x4 only)
  • 6 USB 3.0 (1 Type-C, 2 Front, 3 Rear)

Dual Ultra M.2 For SSD
Two of the world's fastest PCIe Gen3 x4 Ultra M.2 slots that deliver up to 32Gb/s transfer speed, it also supports SATA3 6Gb/s M.2 modules.

Intel® LAN
Intel® LAN provides the best throughput performance, lower CPU utilization, enhanced stability and is able to deliver ultimate network experience to users!

Intel® Optane™ Memory Ready
Supports Intel® Optane™ memory technology and Intel® Optane™ storage technology that redenes a new standard of high performance and responsiveness.

ELNA Audio Caps
Who says high quality audio is only available on high-end motherboards? ASRock applied ELNA audio capacitors on mainstream and entry-level motherboards! Compared with traditional solid caps, the leakage current of ELNA audio caps is merely 3uA. This is the key to reduce noise level significantly and satisfy even the pickiest audiophiles.

ASRock Intel® 4-Layer Memory POOL Technology
POOL (Planes On Outer Layers) technology allows 4-layer boards to utilize stripline routing instead of micro-strip routing, making motherboard having better electrical properties and performance.

User friendly UEFI & EZ Mode
ASRock UEFI is the smoothest, slickest mouse-controlled BIOS has been improved to make it even more friendly. Advanced mode provides a more comprehensive environment that is designed for overclockers and power users who want maximum control over their PC's hardware. EZ mode is a dashboard which contains multiple readings of the system's current status. You can check the most crucial information of your system, such as CPU speed, DRAM frequency, SATA information, fan speed, etc.

Digi Power
Unke traditional motherboards that use analog power, this motherboard uses a next generation digital PWM (Pulse-Width modulation) design, which provides CPU Vcore voltage more efficientyl and smoothly, so that the stability and lifesapn of the motherboard is greatly enhanced.


  • CPU
    • Supports 7th and 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® 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
  • 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, PCH 1.0V, VCCIO, VCCSA, VCCST 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
    • 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 (4096×2160) @ 24Hz / (3840×2160) @ 30Hz
    • Supports DVI-D with max. resolution up to 1920×1200 @ 60Hz
    • Supports D-Sub with max. resolution up to 1920×1200 @ 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
  • 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
  • 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 (PCIE1: x16 mode; PCIE3: x4 mode)*
    • 1 x PCI Express 3.0 x1 Slot (Flexible PCIe)
    • 1 x PCI Slot
    • Supports AMD Quad CrossFireX™ and CrossFireX™
  • Storage
    • 6 x SATA3 6.0 Gb/s Connec­tors, support 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)**
  • Connector
    • 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 × 4-pin, 1 × 3-pin)*
    • 2 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)**
    • 1 × 24 pin ATX Power Connector
    • 1 × 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))
    • 1 x USB 3.0 Header (Supports 2 USB 3.0 ports) (Supports ESD Protection (ASRock Full Spike Protection))
  • 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
    • 1 x HDMI Port
    • 2 x USB 2.0 Ports (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
  • Support CD
    • Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar
  • Accessories
    • Quick Installation Guide, Support CD, I/O Shield
    • 2 x SATA Data Cables
    • 2 x Screws for M.2 Sockets
  • 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, DRAM, PCH 1.0V
  • Form Factor
    • Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm
    • Solid Capacitor design
Release date NZ
January 18th, 2017
Manufacturer code:
B250M Pro4
Warranty Period
1 year
Box Dimensions (mm)
Product ID

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