Asrock

Asrock B450M Pro4 R2.0 AMD B450 Socket AM4 micro ATX

SKU
90-MXBEG0-A0UAYZ
In Stock
AMD AM4, 1x PCIe 3.0 x16, 1x PCIe 2.0 x16, 1x PCIe 2.0 x1, HDMI, DVI-D, D-Sub, 4x SATA3, 1x Ultra M.2, 1x M.2, 2x USB 3.2 Gen2 6x USB 3.2 Gen1, Realtek Gigabit LAN
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10 POWER PHASE DESIGN
Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.

RULE YOUR OWN LIGHTING WAY - POLYCHROME RGB
This motherboard features onboard RGB headers and an addressable RGB header that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.

Dual M.2 For SSD
Two of the world’s fastest M.2 slots. One delivers up to PCIe Gen3 x4 32Gb/s transfer speed, the other one supports SATA3 6Gb/s mode.

Dual USB 3.2 Gen2 (Type-A + Type-C)
This motherboard has a pair of onboard Type-A and Type-C USB 3.2 Gen2 ports built on the rear i/o for supporting next generation USB 3.2 Gen2 devices and to deliver up to 10 Gbps data transfer rates.

2oz Copper
It comes with 2 ounces copper inner layers, using only carefully selected copper materials for PCB layers, delivering lower temperature and higher energy efficiency for overclocking.

AMD StoreMI Technology
A powerful tool that combines the speed of your SSD with the capacity of your hard disk into a single, fast, easy-to-manage drive, AMD StoreMI technology “combines” these two types of storage into a single drive and automatically moves the data you access the most to the SSD, so you get the best of both worlds.

Premium 42A Power Choke
Compared to traditional chokes, ASRock’s premium 42A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

Sapphire Black PCB
Pure black PCB appearance. The new Sapphire Black PCB represents rock-solid quality and gives the motherboard a more mysterious touch.

High Density Glass Fabric PCB
High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.

2oz Copper PCB
Using only carefully selected copper materials for PCB layers, 2oz Copper PCB delivers lower temperature and higher energy efficiency for overclocking.

Digi Power
This motherboard uses a next generation Hybrid Digi Power design to bring precise control and smooth power. With the ensured efficient and clean power delivery to the CPU, the stability and lifespan of motherboard is also 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.

3 Graphics Outputs
Complete with all three types of most used connectors! Packed with a D-Sub + DVI-D + HDMI combo. Plus the HDMI port supports 4K resolution.

Triple Monitor
Graphics, graphics and even more graphics! You've demanded for more eye candy, so this motherboard supports Triple Monitor. You may choose up to three display interfaces from the rear i/o to connect monitors and use them simultaneously without installing another graphics card.

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

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.

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.
Internal I/O
Number of M.2 (M) slots1
Front panel connectorYes
Supported storage drive interfacesM.2, PCI Express 3.0, SATA III
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
TPM connectorYes
Number of SATA III connectors4
Number of COM connectors1
Number of chassis fan connectors3
Front panel audio connectorYes
EPS power connector (8-pin)Yes
CPU fan connectorYes
Chassis intrusion connectorYes
ATX Power connector (24-pin)Yes
RGB LED pin headerYes
Technical details
Number of displays supported3
Motherboard chipset familyAMD
Motherboard chipsetAMD B450
PC health monitoringFan, Temperature, Voltage
Parallel processing technology supportCrossFireX, Quad-GPU CrossFireX
On-board graphics cardYes
HDMI version1.4
Motherboard form factormicro ATX
Component forPC
Audio
Audio output channels7.1 channels
Performance
Supported storage drive typesHDD & SSD
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Motherboard chipset familyAMD
Motherboard chipsetAMD B450
RAID levels0, 1, 10
PC health monitoringFan, Temperature, Voltage
Audio output channels7.1 channels
Motherboard form factormicro ATX
Component forPC
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7
Processor socketSocket AM4
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Memory channelsDual-channel
Supported memory clock speeds2133,2400,2667,2933,3200 MHz
Maximum internal memory128 GB
Unbuffered memoryYes
Storage controllers
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, PCI Express 3.0, SATA III
RAID levels0, 1, 10
RAID supportYes
Graphics
Number of displays supported3
Parallel processing technology supportCrossFireX, Quad-GPU CrossFireX
On-board graphics cardYes
Maximum resolution4096 x 2160 pixels
HDCPYes
Graphics card familyAMD
Discrete graphics supportYes
DirectX version12.0
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
USB connector typeUSB Type-A, USB Type-C
USB 2.0 ports quantity2
VGA (D-Sub) ports quantity1
Microphone inYes
Headphone outputs1
HDMI version1.4
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity1
Network
Ethernet LANYes
Wi-FiNo
Wake-on-LAN readyYes
LAN controllerRealtek RTL8111H
Ethernet interface typeGigabit Ethernet
Features
Power source typeATX
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Motherboard chipset familyAMD
Motherboard chipsetAMD B450
PC health monitoringFan, Temperature, Voltage
Audio output channels7.1 channels
Motherboard form factormicro ATX
Component forPC
Audio chipRealtek ALC892 / Realtek ALC897
Harmonized System (HS) code84733020
Expansion slots
Number of M.2 (M) slots1
PCI Express x16 (Gen 2.x) slots1
PCI Express x16 (Gen 3.x) slots1
BIOS
BIOS typeUEFI AMI
BIOS memory size128 Mbit
ACPI version5.1
System Management BIOS (SMBIOS) version2.3
Power
Power source typeATX
Video
Maximum resolution4096 x 2160 pixels
HDCPYes
Graphics card familyAMD
Discrete graphics supportYes
DirectX version12.0
Software
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Drivers includedYes
Bundled softwareASRock A-Tuning ASRock Polychrome SYNC ASRock XFast LAN
Logistics data
Harmonized System (HS) code84733020
Weight & dimensions
Width244 mm
Depth244 mm
Packaging content
Drivers includedYes
Cables includedSATA
Bundled softwareASRock A-Tuning ASRock Polychrome SYNC ASRock XFast LAN