MSI B450-A Pro MAX vs MSI B450M Pro-M2

MSI B450-A Pro MAX Motherboard

MSI B450-A Pro MAX

MSI B450M Pro-M2 Motherboard

MSI B450M Pro-M2

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Full Comparison

Units:

General
	MSI B450-A Pro MAX	MSI B450M Pro-M2
Motherboard type	ATX	Micro-ATX
Processor socket	Socket AM4	Socket AM4

Memory
	MSI B450-A Pro MAX	MSI B450M Pro-M2
Supported memory bus clock	2400 MHz 1866 MHz 2133 MHz 2667 MHz 2800 MHz 2933 MHz 3000 MHz 2667 MHz 3200 MHz 3466 MHz 3733 MHz 3866 MHz 4000 MHz 4133 MHz 3066 MHz	2400 MHz 1866 MHz 2133 MHz 2667 MHz 2800 MHz 2933 MHz 3000 MHz 2667 MHz 3200 MHz 3466 MHz 3066 MHz
RAM technology	DDR4	DDR4
Memory slots type	DIMM	DIMM
Maximum RAM size	64 GB	32 GB
Number of memory slots	4	2

Audio properties
	MSI B450-A Pro MAX	MSI B450M Pro-M2
Audio codec	Realtek ALC892	Realtek ALC887
Audio output channels	7.1	7.1

Technical details
	MSI B450-A Pro MAX	MSI B450M Pro-M2
Compatible processor series	AMD Ryzen	AMD Ryzen
Maximum number of processors	1	1

Storage
	MSI B450-A Pro MAX	MSI B450M Pro-M2
RAID levels	0 1 10	0 1 10

Expansion slots
	MSI B450-A Pro MAX	MSI B450M Pro-M2
Number of M.2 (M) slots	1	1

Internal I/O ports
	MSI B450-A Pro MAX	MSI B450M Pro-M2
Serial port headers	1	1
TPM connector	yes	yes
Number of SATA III connectors	6	4

Rear panel I/O ports
	MSI B450-A Pro MAX	MSI B450M Pro-M2
HDMI ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	4
VGA (D-Sub) ports quantity	1	1
DVI-D ports quantity	1	1

Network
	MSI B450-A Pro MAX	MSI B450M Pro-M2
Ethernet LAN (Network)	yes	yes
LAN controller	Realtek 8111H	Realtek 8111H
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet

Dimensions
	MSI B450-A Pro MAX	MSI B450M Pro-M2
Width	12.01 in	9.61 in
Depth	9.61 in	8.11 in

Pros & Cons
Pros
Cons

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