ASUS PRIME B650M-A II-CSM

ASUS PRIME B650M-A II-CSM
  • Socket AM5
  • AMD B650 chipset
  • Micro-ATX format
  • 4x DDR5
  • 2x M.2
192.95
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Information

The ASUS PRIME B650M-A II-CSM is a Micro-ATX motherboard built on the AMD B650 chipset, designed for use with AMD Ryzen 7000, 8000, and 9000 Series processors via Socket AM5. With its compact 244 x 244 mm form factor and sleek black finish, it fits comfortably in a wide range of builds. The board supports up to 128GB of DDR5 memory across four DIMM slots in dual-channel configuration, with speeds ranging from 4800 MHz up to 6400 MHz (OC), providing a solid foundation for modern computing workloads.

Connectivity and Expansion
The ASUS PRIME B650M-A II-CSM offers a comprehensive set of connectivity options. Storage is handled through 4 SATA III ports and 2 M.2 slots, while expansion is supported by 3 PCI Express 3.0 x16 slots. For display output, the board includes one HDMI and one DisplayPort. USB connectivity is extensive, featuring 6 USB 2.0 ports, 3 USB 3.2 Gen 1 Type-A ports, 1 USB 3.2 Gen 1 Type-C port, and 2 USB 3.2 Gen 2 Type-A ports, alongside multiple internal headers for front-panel USB connections.

Audio and Networking
Audio performance is driven by the Realtek 7.1 Surround Sound HD Audio CODEC, delivering rich multi-channel sound with a dedicated headphone output. Network connectivity is provided by a Realtek 2.5GbE LAN chip, supporting 2500 Mbps wired networking for fast and reliable data transfer. A UEFI AMI BIOS with 256 Mbit memory and a Clear CMOS button round out the feature set, making configuration and system management straightforward.

Specifications

Brand:
ASUS
Product number:
21302158
Product number manufacturer:
90MB1EH0-M0EAYC

Audio

Audio chip:
Realtek 7.1 Surround Sound HD Audio CODEC
Audio output channels:
7.1 kanalen

BIOS

BIOS memory :
256 Mbit
BIOS type:
UEFI AMI

Connectivity

Clear CMOS button:
DisplayPorts:
1
DVI-D ports:
0
HDMI ports:
1
Headphone out:
1
LAN (RJ-45) ports:
1
PS/2 ports:
1
USB 2.0 ports:
6
USB 3.2 (Gen 1) type A ports:
3
USB 3.2 (Gen 1) type C ports:
1
USB 3.2 (Gen 2) type A ports:
2

Expansion slots

PCI Express 3.0 x16 slots:
3

Internal I/O

12V power connector:
ATX Power connector (24-pin):
Chassis fan connector(s):
3
CPU fan connector:
Front panel audio connector:
M.2 ports:
2
SATA connectors:
0
SATA II connectors:
0
SATA III connectors:
4
TPM connector:
USB 2.0 Headers:
2
USB 3.1 (3.1 Gen 2) connectors:
0
USB 3.1 (Gen 1) header(s):
2

Memory

ECC compatibility:
ECC & Niet-ECC
Maximum memory:
128 GB
Memory channels support:
Dual-Channel
Memory slots:
4
Memory slots type:
DIMM
Memory types supported:
DDR5
Supported memory clock speeds:
4800, 5000, 5200, 5400, 5600, 5800, 6000, 6200, 6400 MHz
Supported memory clock speeds (OC):
6400 MHz
Unbuffered:

Networking

LAN controller:
Realtek 2.5GbE LAN chip
Network standard:
2500 Mbps
Network technology (wired):
Wireless LAN (WiFi):

Packaging content

Cables included:
SATA

Physical characteristics

Colour of product:
Black
Depth:
244 mm
Height:
244 mm
Model:
Micro-ATX
Width:
244 mm

Processor

Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor family:
AMD

Sockets

Supported socket:
Socket AM5

Technical details

Chipset:
AMD B650

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