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MSI · AM5 · B650M

MSI PRO B650M-A

Micro-ATX · DDR5 · 4 DIMMs · 8-phase VRM · 6E

Quality
53
VRM
23
Value
59
Amazon
$171
MSI PRO B650M-A
View MSI PRO B650M-A Gallery in high resolution
$171
Available Updated 3 days, 9 hours ago Prime FBA
Overall53.2
VRM23.0
Chipset76.0
Expansion / storage59.0
Connectivity65.0
Audio43.0
Quality / price59.3
$171 on Amazon Motherboard table Compare this motherboard

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Written analysis

MSI PRO B650M-A at a glance

The MSI PRO B650M-A uses the Micro-ATX form factor, AM5 socket, and B650M chipset. This is a balanced mainstream platform: enough expansion and connectivity for a performance PC without paying only for flagship extras.

Memory support is DDR5 across 4 DIMM slots, with up to 256 GB and rated overclocked speeds up to 7200 MT/s. XMP / EXPO memory-profile support is recorded for easier tuning.

Best fit: a mainstream gaming, home, or office system with moderate expansion needs.

Power delivery

The calculated VRM score is 23.0, placing the power delivery in the basic class. The board lists 8 CPU power phases, 55 A power stages in a 8+2 layout. CPU power input is listed as 2. Keep it paired with lower-power processors and avoid sustained overclocked loads.

Expansion and storage

The expansion and storage score is 59.0: balanced . The platform supports PCIe 4.0. Physical expansion includes 2 ×16 slots, and 1 ×1.

On-board storage consists of 2 M.2 slots and 4 SATA ports. Supported M.2 lengths are listed as 2280, 2260. The two-slot layout covers a typical OS-and-games or OS-and-project-drive setup.

Connectivity and rear I/O

The connectivity score is 65.0, rated adequate . Wireless networking is Wi-Fi 6E ; wired networking is Realtek® 8125BG 2.5G at up to 2500 Mbps. Bluetooth 5.3 is included. The recorded USB provision is 8 rear connections and 7 front-panel connections. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1, DisplayPort 1.4. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 43.0. This is a standard onboard solution using Realtek® ALC897 Codec. It covers normal gaming and communication; demanding headphones or production work still benefit from an external interface. Optical S/PDIF is present for digital audio equipment.

Buying verdict

Overall quality is 53.20, a mainstream result. The essential platform features are covered, while premium I/O and tuning extras are more selective.

At the recorded Amazon price, the quality-to-price score is 59.3—a balanced value for its feature class.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
MSI
Motherboard
MSI PRO B650M-A
Chipset / socket
B650M / AM5
Form factor
Micro-ATX
Launch price
—
Amazon price
$171
Availability
In stock
Price updated
3 days, 9 hours ago

VRM

CPU phases
8 (55 A)
Power design
8+2
EPS connector
2

Memory

Type / slots
DDR5 / 4 DIMMs
Max capacity / OC
256 GB / 7200 MT/s
Per DIMM
64 GB
XMP / EXPO
Yes

PCIe

Supported version
PCIe 4.0
x16 physical
2
x16 Gen 4
2
x1 physical
1
x1 Gen 3
1

Storage

M.2 slots
2
M.2 lengths
2280, 2260
SATA ports
4

Display outputs

HDMI
Yes · 2.1 · 4K 60Hz
DisplayPort
Yes · 1.4 · 4K 60Hz
USB-C DisplayPort
No

USB

Rear USB 3.2 Gen 1 Type-A 5 Gbps
4
Rear USB 3.2 Gen 2 Type-A 10 Gbps
4
Front USB 2.0
4
Front USB 3.2 Gen 1 Type-A 5 Gbps
2
Front USB 3.2 Gen 2 Type-C 10 Gbps
1
Header USB 2.0
4
Header USB 3.2 Gen 1 Type-A 5 Gbps
2
Header USB 3.2 Gen 2 Type-A 10 Gbps
1

Networking

Ethernet
Realtek® 8125BG 2.5G
LAN ports
1
LAN speed
2500 Mbps
Wi-Fi
6E
Wi-Fi bandwidth
20/40/80/160MHz
Bands
2.4GHz, 5GHz, 6GHz
Bluetooth
5.3

Audio

Chipset
Realtek® ALC897 Codec
Analog jacks
—
Gold-plated jacks
No
Optical S/PDIF
Yes
Spatial audio
No

Buttons

BIOS flashback
Yes
Clear CMOS
No
Q-Flash Plus
No
Smart button
No
Onboard start / reset
No

Additional information

Memory notes
Supports AMD EXPO. The maximum overclocking frequency depends on the memory configuration: 1DPC 1R up to 7200+ MHz, 1DPC 2R up to 6000+ MHz, 2DPC 1R up to 6000+ MHz, and 2DPC 2R up to 5400+ MHz. Supports un-buffered memory.
Display notes
Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Expansion notes
• Supports x16/x4 (For Ryzen™ 9000/ 7000 Series processors) • Supports x8/x4 (For Ryzen™ 8700/ 8600/ 8400 Series processors) • Supports x4/x4 (For Ryzen™ 8500/ 8300 Series processors) PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
M.2_1
4.0 4 · 2280, 2260 · From CPU
M.2_2
4.0 4 · 2280, 2260 · From CPU — The M2_2 slot will be unavailable when using Ryzen™ 8500/ 8300 Series processor
Audio notes
7.1-Channel High Definition Audio
Networking notes
The Wireless module is pre-installed in the M.2 (Key-E) slot. Supports MU-MIMO TX/RX. Wi-Fi 6E 6GHz may depend on every country’s regulations and will be ready in Windows 11. Bluetooth 5.3 will be ready in Windows 10 build 21H1 and Windows 11.
Fan / RGB headers
1 CPU · — OPT · 1 AIO · 3 chassis · 2 ARGB · 2 RGB
Other headers
Front audio · System panel · TPM
Dimensions
24.4 cm x 24.4 cm

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

Price history

Nearby quality

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VRM fit

VRM-appropriate CPUs

AM5 processors whose TDP sits in this board’s VRM window. Socket match is required; chipset extras still matter on sTR5. This is a power-delivery filter, not a ranked CPU guide.

Open AM5 CPUs in the CPU table

Discussion

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

Memory

4x DDR5, Maximum Memory Capacity 256GB
Memory Support DDR5 7200+(OC)/ 7000(OC)/ 6800(OC)/ 6600(OC)/ 6400(OC)/ 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(OC)/ 5400(OC)/ 5200(OC)/ 5000(OC)/ 4800(JEDEC) MHz
Max. overclocking frequency:
• 1DPC 1R Max speed up to 7200+ MHz
• 1DPC 2R Max speed up to 6000+ MHz
• 2DPC 1R Max speed up to 6000+ MHz
• 2DPC 2R Max speed up to 5400+ MHz

Supports Dual-Channel mode
Supports non-ECC, un-buffered memory
Supports AMD EXPO

Graphics

1x HDMI™
Support HDMITM 2.1, maximum resolution of 4K 60Hz*
1x DisplayPort
Supports DP1.4, maximum resolution of 4K 60Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.

Expansion slots

2x PCI-E x16 slot
• Supports x16/x4 (For Ryzen™ 9000/ 7000 Series processors)
• Supports x8/x4 (For Ryzen™ 8700/ 8600/ 8400 Series processors)
• Supports x4/x4 (For Ryzen™ 8500/ 8300 Series processors)
1x PCI-E x1 slot
PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)

Storage

2x M.2
M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
4x SATA 6G
• The M2_2 slot will be unavailable when using Ryzen™ 8500/ 8300 Series processor

USB

4x USB 2.0 (Front)
4x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
4x USB 10Gbps Type A (Rear)
1x USB 10Gbps Type C (Front)

Internal I/O

1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
1x CPU Fan
1x Pump Fan
3x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
1x Tuning Controller connector(JDASH)
2x Addressable V2 RGB LED connector (JARGB_V2)
2x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports

Rear I/O

USB 3.2 Gen 2 10Gbps (Type-A)
USB 3.2 Gen 1 5Gbps (Type-A)
2.5G LAN
Wi-Fi / Bluetooth
Audio connectors
Flash BIOS Button
DisplayPort
HDMI™
USB 3.2 Gen 2 10Gbps (Type-A)

Wireless

AMD Wi-Fi 6E
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX
Supports 20MHz, 40MHz, 80MHz,160MHz bandwidth in 2.4GHz/ 5GHz or 6GHz* bands
Supports 802.11 a/ b/ g/ n/ ac/ ax

Supports Bluetooth® 5.3**

* Wi-Fi 6E 6GHz may depend on every country’s regulations and will be ready in Windows 11.
** Bluetooth 5.3 will be ready in Windows 10 build 21H1 and Windows 11.

Audio

Realtek® ALC897 Codec
7.1-Channel High Definition Audio Supports S/PDIF output

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