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MSI MPG B550 GAMING PLUS User Guide

MSI MPG B550 GAMING PLUS
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48
UEFI BIOS
MSI UEFI BIOS is compatible with UEFI (Unified Extensible Firmware Interface)
architecture. UEFI has many new functions and advantages that traditional BIOS
cannot achieve, and it will completely replace BIOS in the future. The MSI UEFI
BIOS uses UEFI as the default boot mode to take full advantage of the new chipset
capabilities.
Important
The term BIOS in this user guide refers to UEFI BIOS unless otherwise noted.
UEFI advantages
Fast booting - UEFI can directly boot the operating system and save the BIOS self-
test process. It can also eliminate the time to switch to CSM mode during POST.
Supports for hard drive partitions larger than 2 TB.
Supports more than 4 primary partitions with a GUID Partition Table (GPT).
Supports unlimited number of partitions.
Supports full capabilities of new devices - new devices may not provide backward
compatibility.
Supports secure startup - UEFI can check the validity of the operating system to
ensure that no malware tampers with the startup process.
Incompatible UEFI cases
32-bit Windows operating system - this motherboard supports only Windows 11
64-bit operating system.
Older graphics card - the system will detect your graphics card. If you use older
graphics cards, it may display a warning message There is no GOP (Graphics Output
protocol) support detected in this graphics card.
Important
We recommend that you replace it with a graphics card supporting GOP/UEFI or use
CPU with integrated graphics for having normal function.
How to check the BIOS mode?
1. Power on your computer.
2. Press Delete key when the Press DEL key to enter Setup Menu, F11 to enter Boot
Menu message appears on the screen during the boot process.
3. After entering the BIOS, you can check the BIOS Mode at the top of the screen.
BIOS Mode: UEFI

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MSI MPG B550 GAMING PLUS Specifications

General IconGeneral
Processor socketSocket AM4
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
Maximum number of SMP processors1
S/PDIF out portYes
USB 2.0 ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
Wi-FiNo
LAN controllerRealtek 8111H
Ethernet interface typeGigabit Ethernet
Memory channelsDual-channel
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Maximum internal memory128 GB
Supported memory clock speeds1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400 MHz
Audio chipRealtek ALC892
Component forPC
Motherboard chipsetAMD B550
PC health monitoringCPU, FAN, Temperature
Audio output channels7.1 channels
Motherboard form factorATX
Number of mounting holes9
RAID levels0, 1, 10
Supported storage drive typesHDD & SSD
Supported storage drive interfacesSATA III
Maximum resolution4096 x 2160 pixels
Maximum graphics card memory16000 MB
Parallel processing technology support2-Way CrossFireX
Number of SATA III connectors6
BIOS typeUEFI AMI
Cables includedSATA
Harmonized System (HS) code84733020
Weight1000 g
Weight and Dimensions IconWeight and Dimensions
Depth244 mm
Width305 mm
Height65 mm

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