MSI MEG B550 UNIFY User Manual

59
UEFI BIOS
Updating the BIOS with MSI DRAGON CENTER
Before updating:
Make sure the LAN driver is already installed and the internet connection is set
properly.
Updating BIOS:
1. Install and launch MSI DRAGON CENTER and go to Support page.
2. Select Live Update and click on Advance button.
3. Click on Scan button to search the latest BIOS file.
4. Select the BIOS file and click on Download icon to download and install the latest
BIOS file.
5. Click Next and choose In Windows mode. And then click Next and Start to start
updating BIOS.
6. After the flashing process is 100% completed, the system will restart
automatically.
Updating BIOS with Flash BIOS Button
1. Please download the latest BIOS file that matches your motherboard model from
the MSI® website.
2. Rename the BIOS file to MSI.ROM, and save it to the root of your USB flash drive.
3. Connect the power supply to CPU_PWR1 and ATX_PWR1. (No need to install CPU
and memory.)
4. Plug the USB flash drive that contains the MSI.ROM file into the Flash BIOS Port
on the rear I/O panel.
5. Press the Flash BIOS Button to flash BIOS, and the LED starts flashing.
6. The LED will be turned off when the process is completed.

MSI MEG B550 UNIFY Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, AMD Ryzen 9 3rd Gen
Maximum number of SMP processors	1
ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4533, 4600, 4733, 4866, 5000, 5100, 5600 MHz
RAID levels	0, 1, 10
Supported storage drive types	HDD & SSD
Number of storage drives supported	10
Supported storage drive interfaces	M.2, SATA
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
Maximum graphics card memory	16384 MB
Parallel processing technology support	2-Way CrossFireX
USB 2.0 connectors	2
Number of SATA II connectors	0
Number of SATA III connectors	6
USB 2.0 ports quantity	USB 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.
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	3
LAN controller	Realtek RTL8125B
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax)
Bluetooth version	5.1
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
WLAN controller model	Intel Wi-Fi 6 AX200
Ethernet interface type	2.5 Gigabit Ethernet
Audio chip	Realtek ALC1220P
Component for	PC
Motherboard chipset	AMD B550
PC health monitoring	FAN, Temperature
Audio output channels	7.1 channels
Motherboard form factor	ATX
BIOS type	UEFI AMI
Cables included	SATA
Harmonized System (HS) code	84733020
Weight	1000 g

Weight and Dimensions

Depth	244 mm
Width	304 mm
Height	65 mm