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ASRock B85M-PRO4 LGA1150 mATX Motherboard

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PLE Code: PLE-612527
Manufacturer: ASRock
Model Number: B85M-PRO4
Warranty: 3 Year PLE Standard Return to Base
Boxed Weight: 1.04kg

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This motherboard supports remote wake with the onboard Intel LAN, so you can connect with your PC from anywhere in the world. You will be able to power your PC on or turn it off, monitor and take control of it remotely with another smartphone, tablet or computer.

Product Features

  • Data backup & restore
    Data backup & restore provides reliable after-hours backup of critical data using the local maintenance timer to remotely power on the PC.
  • USB blocker
    USB blocker lets businesses control access to their infrastructure, preventing unauthorized USB devices or file imports or exports on company PCs.
  • PC health center
    PC health center can schedule and perform PC maintenance tasks after hours so as not to interrupt employees' work. It works even if the computer is powered down, as long as it is plugged in.
  • Energy saver
    With energy saver, businesses can save energy by scheduling PCs to power-down at the end of the day and turn on before the work day begins - ready for employees as they arrive in the morning.
  • All solid capacitor design
    All the capacitors on this board are built with 100% all solid capacitors. With these solid caps, ASRock motherboards are allowed to perform more stably and ensure longer lifetime.
  • Digi power - more precise, more efficient
    By adopting digital pulse-width modulation (PWM), the ASRock motherboard can provide CPU Vcore voltage more efficiently and smoothly. Compared to analog PWM, digital PWM can optimize the CPU power solution and provide a proper and stable Vcore for the processor.
  • Triple monitor
    This motherboard supports triple monitor. You may choose up to three display interfaces to connect monitors and use them simultaneously.
  • XFast 555
    ASRock's unique XFast 555 technology allows users to experience 5 times performance boost in terms of system performance, LAN speed and USB transfer speed.
  • FAN-tastic tuning
    Configure different fan speeds for respective temperatures using the graph. The fans will automatically shift to the next speed level when the assigned temperature is met.
  • Easy driver installer
    For users that don't have an optical disk drive to install the drivers from the support CD, easy driver installer is a handy tool in the UEFI that installs the LAN driver to your system via an USB storage device, then downloads and installs the other required drivers automatically.
  • Restart to UEFI
    ASRock "Restart to UEFI" technology is designed for those requiring frequent UEFI access. It allows users to easily enter the UEFI SETUP automatically when turning on the PC next time.
  • DMI (High-Definition Multimedia Interface)
    This motherboard supports HDMI (High-Definition Multimedia Interface) which is an interface standard for transferring uncompressed video data and delivering multi-channel audio through a single cable. Both video and audio data signals transferred through the HDMI interface is digital without being converted into analog, therefore it delivers the richest pictures and the most realistic sounds.

Key Selling Points

  • Supports Intel small business advantage 2.0
  • All solid capacitor design, Digi power
  • Supports dual channel DDR3 1600
  • Multi VGA output options: DVI-D, D-Sub, HDMI
  • Intel Gigabit LAN
  • 7.1 CH HD audio with content protection
  • Supports A-Tuning, XFast 555, easy driver installer, FAN-Tastic tuning, USB key

Main Specifications

Product Description
ASRock B85M Pro4 - motherboard - micro ATX - LGA1150 Socket - B85
Product Type
Motherboard - micro ATX
Chipset Type
Intel B85 Express
Processor Socket
1 x LGA1150 Socket
Compatible Processors
Pentium, Celeron, Xeon, Core i5, Core i3, Core i7 ( supports 4th Generation Intel Core i3 / i5 / i7 )
Max RAM Size
32 GB
RAM Supported
4 DIMM slots - DDR3 , non-ECC , unbuffered
Storage Ports
2 x SATA-600, 2 x SATA-300
USB / FireWire Ports
2 x USB 3.0 + 4 x USB 2.0 + ( 1 x USB 3.0 + 2 x USB 2.0 via headers )
Max Allocated RAM Size
1792 MB
HD Audio (8-channel)
Gigabit Ethernet

Extended Specifications

Product Type
Motherboard - micro ATX
Chipset Type
Intel B85 Express
Processor Socket
LGA1150 Socket
Max Processors Qty
Compatible Processors
Pentium, Celeron, Xeon, Core i5, Core i3, Core i7 ( supports 4th Generation Intel Core i3 / i5 / i7 )
Supported RAM
Max Size
32 GB
Bus Clock
1600 MHz, 1333 MHz, 1066 MHz
Supported RAM Integrity Check
Registered or Buffered
Dual channel memory architecture, Intel Extreme Memory Profiles (XMP)
Max Allocated RAM Size
1792 MB
HD Audio (8-channel)
Audio Codec
Realtek ALC892
Compliant Standards
High Definition Audio, Premium Blu-ray audio support
Network Controller
Intel I217V
Network Interfaces
Gigabit Ethernet
Expansion / Connectivity
Expansion Slot(s)
1 x CPU ¦ 4 x DIMM 240-pin ( DDR3 ) ¦ 1 x PCIe 3.0 x16 ( x16 mode ) ¦ 1 x PCIe 2.0 x16 ( x4 mode ) ¦ 2 x PCI
Storage Interfaces
SATA-600 - connector(s): 4 x 7pin Serial ATA - 4 Device(s) ¦ SATA-300 - connector(s): 2 x 7pin Serial ATA - 2 Device(s)
1 x PS/2 keyboard / mouse ¦ 1 x VGA ¦ 1 x DVI-D (dual link) ¦ 1 x HDMI ¦ 1 x SPDIF out ¦ 4 x USB 2.0 ¦ 2 x USB 3.0 ¦ 1 x LAN (Gigabit Ethernet) ¦ 1 x audio line-out (rear) - mini-jack ¦ 1 x audio line-out (center/subwoofer) - mini-jack ¦ 1 x audio line-in - mini-jack ¦ 1 x audio line-out (front surround) - mini-jack ¦ 1 x microphone - mini-jack
Internal Interfaces
2 x USB 2.0 - header ¦ 1 x USB 3.0 - header
Power Connectors
24-pin main power connector, 8-pin ATX12V connector
BIOS Features
Multilingual BIOS, SMBIOS 2.3.1. support, ACPI 1.1 support, UEFI BIOS
Hardware Monitoring
CPU core temperature, chassis temperature, CPU fan tachometer, chassis fan tachometer, system voltage, CPU core voltage, power supply fan tachometer, opened case detection
Sleep / Wake Up
Wake on LAN (WOL), Intel Remote Wake Technology
Hardware Features
ASRock Hybrid Booster, ASRock U-COP, 4 Phase Power Design, ASRock Instant Flash, All-Solid Capacitor motherboard Design, ASRock Boot Failure Guard (B.F.G.), ASRock APP Charger, Intel Turbo Boost Technology 2.0, ASRock Good Night LED, Intel Clear Video HD Technology, ASRock XFast USB, AsRock On/Off Play Technology, ASRock XFast LAN, ASRock XFast RAM, ASRock Crashless BIOS, AMD CrossFireX technology support, AMD Quad CrossFireX technology support, ASRock OMG (Online Management Guard), ASRock Internet Flash, Digi Power Design, Intel InTru 3D Technology, Intel Insider, Intel Quick Sync Video, ASRock Dehumidifier Function, ASRock Interactive UEFI, ASRock Fast Boot, ASRock Restart to UEFI, ASRock UEFI System Browser, Intel Small Business Advantage 2.0 support, CPU Voltage Multi-adjustment, VCCM Voltage Multi-adjustment, ASRock Home Cloud, ASRock FAN-Tastic Tuning, Platform Controller Hub (PCH) 1.05V Voltage Multi-adjustment, Platform Controller Hub (PCH) 1.5V Voltage Multi-adjustment, Energy Efficient Ethernet 802.3az, Preboot eXecution Environment (PXE), ASRock UEFI Tech Service, ASRock Easy Driver Installer, ASRock USB Key, CPU/Chassis Quiet Fan, CPU/Chassis Fan Multi-Speed Control
Included Accessories
I/O back plate
Cables Included
2 x Serial ATA cable
Software Included
Drivers & Utilities, Cyberlink MediaEspresso 6.5 (30-day trial), ASRock A-Tuning, Antivirus (Trial version), Start8 (30 days trial), MeshCentral, Splashtop Streamer
Compliant Standards
WHQL, FCC, ACPI 1.1, EuP Ready, ErP Ready

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