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MSI B550M-A PRO User Manual

MSI B550M-A PRO
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The components included in this package are prone to damage from electrostatic
discharge (ESD). Please adhere to the following instructions to ensure successful
computer assembly.
Ensure that all components are securely connected. Loose connections may cause
the computer to not recognize a component or fail to start.
Hold the motherboard by the edges to avoid touching sensitive components.
It is recommended to wear an electrostatic discharge (ESD) wrist strap when
handling the motherboard to prevent electrostatic damage. If an ESD wrist strap is
not available, discharge yourself of static electricity by touching another metal object
before handling the motherboard.
Store the motherboard in an electrostatic shielding container or on an anti-static
pad whenever the motherboard is not installed.
Before turning on the computer, ensure that there are no loose screws or metal
components on the motherboard or anywhere within the computer case.
Do not boot the computer before installation is completed. This could cause
permanent damage to the components as well as injury to the user.
If you need help during any installation step, please consult a certified computer
technician.
Always turn off the power supply and unplug the power cord from the power outlet
before installing or removing any computer component.
Keep this user guide for future reference.
Keep this motherboard away from humidity.
Make sure that your electrical outlet provides the same voltage as is indicated on
the PSU, before connecting the PSU to the electrical outlet.
Place the power cord such a way that people can not step on it. Do not place
anything over the power cord.
All cautions and warnings on the motherboard should be noted.
If any of the following situations arises, get the motherboard checked by service
personnel:
Liquid has penetrated into the computer.
The motherboard has been exposed to moisture.
The motherboard does not work well or you can not get it work according to
user guide.
The motherboard has been dropped and damaged.
The motherboard has obvious sign of breakage.
Do not leave this motherboard in an environment above 60°C (140°F), it may
damage the motherboard.

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MSI B550M-A PRO Specifications

General IconGeneral
Processor socketSocket AM4
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen
Maximum number of SMP processors1
Maximum internal memory supported by processor64 GB
ECCYes
Memory channelsDual-channel
Memory slots typeDIMM
Number of memory slots2
Supported memory typesDDR4-SDRAM
Supported memory clock speeds1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600 MHz
Supported memory module capacities4GB, 8GB, 16GB, 32GB
RAID levels0, 1, 10
Number of HDDs supported4
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, SATA III
DirectX version12.0
Maximum resolution4096 x 2160 pixels
Parallel processing technology support-
USB 3.2 Gen 2 (3.1 Gen 2) connectors0
USB connector typeUSB Type-A
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Wi-FiNo
LAN controllerRealtek RTL8111H
Ethernet interface typeGigabit Ethernet
Audio chipRealtek ALC892 / Realtek ALC897
Component forPC
Motherboard chipsetAMD B550
Audio output channels7.1 channels
Motherboard form factormicro ATX
Windows operating systems supportedWindows 10 x64
BIOS typeUEFI AMI
Cables includedSATA
Weight and Dimensions IconWeight and Dimensions
Depth200 mm
Width236 mm

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