MSI PRO B840-P WIFI vs ASUS Prime B650M-A-CSM Motherboard Comparison

MSI PRO B840-P WIFI and ASUS Prime B650M-A-CSM are both motherboards with the same Socket (AM5), SATA 6 Gbps Ports (4) and M.2 Ports (2). The main differences are in Form factor, Chipset, Supported Memory and Audio Channels.

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MSI PRO B840-P WIFI

ASUS Prime B650M-A-CSM

Prices
(Change region)

In Stock

Free shipping

$159.99

In Stock

Free shipping

$159.99

Out of Stock

$187.75

Prices
(Change region)

In Stock

$179.99

In Stock

Free shipping

$206.65

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Brand

MSI

Brand

ASUS

Model

PRO B840-P WIFI

Model

PRIME B650M-A-CSM
90MB1C10-M0AAYC

Release Date

📅 January 2025

Release Date

📅 December 2022

* First availability for purchase, it may not correspond to the actual market launch date.

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User reviews

★★★★☆

(1 reviews)

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Compatible PC parts

Processors ► Memory ► Cases ► CPU Coolers ►

Compatible PC parts

Processors ► Memory ► Cases ► CPU Coolers ►

Series

Prime

Socket

AM5

Socket

AM5

Form factor

ATX

Form factor

Micro ATX

Chipset

AMD B840

Chipset

AMD B650

Supported Memory

DDR5

4800Mhz 5200Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz 7800Mhz 7900Mhz 7950Mhz 8000Mhz

Supported Memory

DDR5

4800Mhz 5000Mhz 5200Mhz 5400Mhz 5600Mhz

* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller

ECC RAM Support

Audio Chipset

Realtek ALC897

Audio Chipset

Audio Channels

7.1 Channels

Audio Channels

Realtek 7.1 Surround Sound High Definition Audio CODEC

LAN Chipset

Realtek 8125

LAN Chipset

Max LAN Speed

2.5Gbps

Max LAN Speed

1 x Realtek 2.5Gb Ethernet

SLI Support

CrossFire Support

RAID Support

Yes

RAID Support

Yes

Back Connect

Back I/O Ports

1 x Clear CMOS Button
1 x Flash BIOS Button
1 x LAN (RJ45)
1 x USB 3.2 Gen 2 Type-A
1 x USB 3.2 Gen 2 Type-C
2 x Antenna Bracket
2 x USB 3.2 Gen 1 Type-A
3 x Audio Jacks
4 x USB 2.0/1.1

Back I/O Ports

2 x USB 3.2 Gen 2 ports (2 x Type-A)
2 x USB 3.2 Gen 1 ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
1 x DisplayPort
1 x VGA port
1 x HDMI port
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks
1 x BIOS FlashBack button
1 x PS/2 Keyboard/Mouse combo port

Wireless LAN

Yes

Wireless LAN

Wi-Fi Generation

PCI-Express x16 Slots

PCI-Express x4 Slots

PCI-Express x1 Slots

SATA 6 Gbps Ports

SATA Express Ports

M.2 Ports

M.2 Devices support

2260 / 2280 - M Key
2260 / 2280 / 22110 - M Key

M.2 Devices support

2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key

RAM Slots

Maximum Supported RAM

256 GB

Maximum Supported RAM

128 GB

Onboard USB 2.0

Onboard USB 3.2 Gen 1

Onboard USB 3.2 Gen 2

Onboard USB 3.2 Gen 2x2

Options (6)

	PRIME B650M-A II-CSM $159.99
	PRIME B650M-A AX II $142.58
	PRIME B650M-A AX $199.99
	PRIME B550M-A (WI-FI) $139.99
	PRIME B550M-A WIFI II $89.99
	PRIME B550M-A AC $102.28

Comparison and key differences summary

Reasons to buy the MSI PRO B840-P WIFI:

11% cheaper, you can save $20.00
Newer Product, it was released around 2 years later
Wireless LAN Integrated
Supports the following RAM types: DDR5 5800MHz, 6000MHz, 6200MHz, 6400MHz, 6600MHz, 6800MHz, 7000MHz, 7200MHz, 7400MHz, 7600MHz, 7800MHz, 7900MHz, 7950MHz, 8000MHz
+2 Slots PCI-E x16
+128 GB maximum RAM supported