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ASUS PRIME B650M-A II-CSM
ASUS · Motherboard

ASUS PRIME B650M-A II-CSM

B650 · AM5 · mATX · DDR5

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  • Chipset B650
  • Form factor mATX
  • Memory slots 4
  • Max memory 128 GB
  • Socket AM5
  • Memory type DDR5

ASUS PRIME B650M-A II-CSM is a mATX and B650 chipset motherboard for AM5 processors and DDR5 memory. It came out in 2023.

Released
2023-04-07
Socket
AM5

Specifications

Key specs

Chipset
B650
Form factor
mATX
Memory slots
4
Max memory
128 GB
Socket
AM5
Memory type
DDR5
Released
2023-04-07
Part number
90MB1EH0-M0EAYC
EAN / UPC
4711387025543

Processor

Processor manufacturer
AMD
Processor socket
Socket AM5
Compatible processor series
AMD Ryzen 7000 Series
Supported processor sockets
Socket AM5

Memory

Supported memory types
DDR5-SDRAM
Number of memory slots
4
Memory slots type
DIMM
Memory channels
Dual-channel
ECC сompatibility
ECC & Non-ECC
Supported memory clock speeds
4800,5000,5200,5400,5600,5800,6000,6200,6400 MHz
Supported memory clock speed (max)
6400 MHz
Maximum internal memory
128 GB
Unbuffered memory
Yes
View all specifications +9 more sectionsShow fewer specifications

Storage controllers

Supported storage drive types
HDD & SSD
Supported storage drive interfaces
M.2, SATA III
Number of HDDs supported
4
Number of storage drives supported
6
RAID support
Yes

Graphics

Parallel processing technology support
Not supported

Internal I/O

USB 2.0 connectors
2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
2
Number of SATA III connectors
4
Audio connector
Yes
Front panel audio connector
Yes
Front panel connector
Yes
ATX Power connector (24-pin)
Yes
CPU fan connector
Yes
Number of chassis fan connectors
3
Number of COM connectors
1
TPM connector
Yes
12V power connector
Yes
RGB LED pin header
Yes

Rear panel I/O ports

USB 2.0 ports quantity
4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
2
Ethernet LAN (RJ-45) ports
1
PS/2 ports quantity
1
HDMI ports quantity
1
DisplayPorts quantity
1
Headphone outputs
1
Line-in
Yes
Microphone in
Yes

Network

Ethernet LAN
Yes
Ethernet interface type
2.5 Gigabit Ethernet
Top Wi-Fi standard
Not available

Features

Motherboard chipset
AMD B650
Audio output channels
7.1 channels
Product colour
Black
Component for
PC
Motherboard form factor
micro ATX
Motherboard chipset family
AMD
Windows operating systems supported
Windows 10 x64, Windows 11

Expansion slots

PCI Express x16 (Gen 4.x) slots
3
Number of M.2 (M) slots
2

BIOS

BIOS type
UEFI AMI
BIOS memory size
256 Mbit
Clear CMOS button
Yes

Weight & dimensions

Width
244 mm
Depth
244 mm

Check the manufacturer's page before buying.

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Compatible processors

AM5 socket

Compatible memory

DDR5

About this product

B650M-A II-CSM

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 7000-series processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, PRIME B650M-A II-CSM provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features.

FLEXIBILITY

Comprehensive controls form the foundation of the ASUS PRIME series. The PRIME B650 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity. CPU Performance Boost AMD Precision Boost Overdrive(PBO) pushes the CPU current and voltage budget to opportunistically increase performance. By aggressively tuning the PBO parameters, AMD‘s algorithm can leverage the motherboard’s robust power solution to ramp up performance even higher.

COOLING

PRIME B650 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.

User manual (PDF)

PRIME B650M-A II-CSM vs similar motherboards

ASUS PRIME B650M-A II-CSMASUS TUF GAMING B650M-EASUS TUF GAMING B650M-E WIFIASUS PRO B650M-CT-CSM
ChipsetB650B650B650B650
Form factormATXmATXmATXmATX
Memory slots4444
Max memory128 GB128 GB128 GB128 GB
SocketAM5AM5AM5AM5
Memory typeDDR5DDR5DDR5DDR5
Released2023202320232023

Questions about the PRIME B650M-A II-CSM

What are the main specs of the ASUS PRIME B650M-A II-CSM?

B650, AM5, mATX, DDR5, 4 RAM slots.

Which chipset does the ASUS PRIME B650M-A II-CSM use?

B650.

What form factor is the ASUS PRIME B650M-A II-CSM?

mATX.

Which socket does the ASUS PRIME B650M-A II-CSM use?

AM5.

When did the ASUS PRIME B650M-A II-CSM come out?

It was released in 2023/04 (ASUS).

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