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ASROCK B150M PRO4S Intel B150 1151 Micro ATX DDR4 CrossFire DVI HDMI

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Intel B150, LGA1151, 4xDDR4, 6xUSB 3.0, 6xSATA3, Gigabit Ethernet, mATX

Manufacturer : Asrock


Availability: In stock


High Density Glass Fabric PCB

What you’ve never understood about your computer is that it is scared to death of water, H2O, humidity or whatever you’d like to name it. And even though you do not see the water, actually there may be lots of excessive moist in the air killing your motherboard silently and slowly. No, your motherboard doesn’t melt when in contact with water like the wicked witch of the west, but it dies of short circuit. Luckily, ASRock has a new High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.

2 x PCIe 3.0 x16 Slots

PCIe Gen3 x16 slots that are fully compatible with standard graphics cards and other add-on cards.

6 Power Phase Design

The power phase design offers smooth power delivery to the CPU, unmatched overclocking capabilities, lower temperature for advanced gamers, and reinforced system stability for taking on all sorts of arduous computing tasks.


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.

Intel® LAN

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

Supports DDR4 2133

Supports the latest DDR4 memory modules and most extreme memory performance!

Digi Power

Unlike traditional motherboards that use analog power, this motherboard uses a next generation digital PWM (Pulse-Width Modulation) design, which provides CPU Vcore voltage more efficiently and smoothly, so that the stability and lifespan of the motherboard is greatly enhanced.

Solid Capacitor Design

ASRock applied solid capacitors on this motherboard. With these solid caps, this motherboard is allowed to perform more stably and ensure longer lifetime.

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.

Flexible PCIe Slots

A new flexible PCIe Gen3 x1 slot design that allows users to install add-on cards of all kinds of sizes.
* The bandwidth of your devices will be limited to PCIe Gen3 x1.

Win 7 USB Patcher

Due to chipset limitation, when you want to install Windows® 7 on this MB, you may need to use “Win 7 USB Patcher” to create a new ISO file, or check this page for more details on how to install Windows® 7 OS.


A-Tuning is ASRock's multi purpose software suite with a new interface, more new features and improved utilities.

Live Update & APP Shop

ASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.

Full Spike Protection

Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes.

ASRock Cloud

ASRock Cloud* technology makes your mobile devices connect to your PC seamlessly and supports multi devices for accessing File Explorer cloud service simultaneously!


In a world where time is money, why waste precious time everyday typing usernames to log in to Windows? Why should we even bother memorizing those foot long passwords? Nobody has time for that! Just plug in the USB Key and let your computer log in to windows automatically!

Restart to UEFI

Fast Boot is so fast that it is impossible for users to enter the UEFI setup utility during POST. Therefore, ASRock Restart to UEFI technology allows users to easily enter the UEFI setup utility automatically when turning on the PC next time. It is designed for those who constantly need to enter the UEFI setup utility.

ASRock OMG (Online Management Guard)

Limit and control your children's time spent on the internet. ASRock OMG (Online Management Guard) technology allows you to establish an internet curfew or restrict internet access at specified times. Administrators are able to schedule the starting and ending hours of internet access granted to other users.

UEFI Tech Service

Contact ASRock Tech Service by sending a support request from the UEFI setup utility if you are having trouble with your personal computer. Users may try to choose the category of the issue they have encountered, describe the problem in detail, and then attach an optional picture or log file for our technical support team.

Easy Driver Installer

For users that don’t have an optical disk drive to install the drivers from our 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 through the internet. Completely no CD or optical disk drive required!

ASRock XFast RAM fully utilizes the memory space that cannot be used under Windows® 32-bit operating systems. It shortens the loading time of previously visited websites, making web surfing faster than ever. And it also boosts the speed of Adobe Photoshop 5 times faster. Another advantage of ASRock XFast RAM is that it reduces the frequency of accessing your SSDs or HDDs in order to extend their lifespan.

When Internet Explorer loads very slowly for no clear reason, it's usually due to inefficient management. ASRock is rolling out super efficient web management in the motherboard industry. XFast LAN is a convenient tool that controls internet related applications easily and efficiently. Creating a perfect Internet environment, all you need is a smart manager. ASRock XFast LAN allows you to enjoy more speed, easier multitasking, enhanced multimedia experience, and more – all without weighing you down.

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 are digital without being converted into analog, therefore it delivers the richest pictures and the most realistic sounds.

Additional Information

EAN 4717677327137
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Memory channelsDual
Supported memory clock speeds2133 MHz
Maximum internal memory64 GB
Unbuffered memoryYes
Compatible processor seriesCore i5, Core i7, Celeron, Pentium, Core i3
Processor socketLGA1151
Processor familyIntel
Internal I/O
USB 2.0 connectors1
USB 3.0 (3.1 Gen 1) connectors1
Supported hard disk drive interfacesSerial ATA III
TPM connectorYes
Number of SATA connectors6
Number of SATA III connectors6
Number of COM connectors1
Number of chassis fan connectors2
Front panel audio connectorYes
CPU fan connectorYes
Chassis intrusion connectorYes
ATX Power connector (24-pin)Yes
Back panel I/O ports
USB 3.0 (3.1 Gen 1) Type-A ports quantity4
PS/2 ports quantity1
Microphone inYes
Headphone outputs1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity1
Technical details
Motherboard chipset familyIntel
Motherboard chipsetIntel B150
Supported hard disk drive interfacesSerial ATA III
Parallel processing technology support2-Way CrossFireX, Quad-GPU CrossFireX
Motherboard form factorMicro ATX
Component forPC
Audio systemRealtek ALC892
Audio output channels7.1
Ethernet LANYes
Wake-on-LAN readyYes
LAN controllerIntel I219-V
Ethernet interface typeGigabit
Intel Extreme Memory Profile (XMP)Yes
Motherboard chipset familyIntel
Motherboard chipsetIntel B150
CertificationFCC, CE, WHQL, ErP/EuP Ready
Audio systemRealtek ALC892
Audio output channels7.1
Motherboard form factorMicro ATX
Component forPC
Parallel processing technology support2-Way CrossFireX, Quad-GPU CrossFireX
Discrete graphics supportYes
Expansion slots
PCI Express x1 (Gen 3.x) slots2
PCI Express x16 (Gen 3.x) slots2
BIOS memory size16 MB
ACPI version5.0
Discrete graphics supportYes
CertificationFCC, CE, WHQL, ErP/EuP Ready
Packaging content
Quick installation guideYes
Cables includedSATA
Manufacturer Asrock
PDF Url No

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