Asus PRIME B650M-A II-CSM (90MB1EH0-M0EAYC)

Name: Asus PRIME B650M-A II-CSM 90MB1EH0-M0EAYC
Brand: Asus

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Asus PRIME B650M-A II-CSM

B650M-A IIB650M-A II-CSM

2023Prime-CSM (business)no backlight 2.5 Gbps

Towards:home / office

Form Factor:micro-ATX

Socket:AM5

Chipset:AMD B650

BIOS:Ami

RAM slots:DDR5 4 sl

RAM form factor:DIMM

RAM clock:6400 MHz

Sound (channels):7.1

Connectors:HDMI, M.2

Additional connectors:DisplayPort

Power connector:24-pin

Processor power:8-pin

CSM is a model for corporate users. Customers of CSM products receive the ASUS Control Centre administration software.

All specifications

Specifications PRIME B650M-A II-CSM

Main
Features	for home/office
Socket	AM5
Form factor	micro-ATX
Power phases	10
VRM heatsink
Size (HxW)	244x244 mm


Chipset
Chipset	AMD B650
BIOS	Ami
UEFI BIOS


RAM
DDR5	4 slot(s)
Memory module	DIMM
Operation mode	2 channel
Max. clock frequency	6400 MHz
Max. memory	192 GB
EXPO support


Drive interface
SATA 3 (6Gbps)	4
M.2 connector	2
M.2	2xPCIe 4x / M.2_1 PCI-E 5.0 /
Integrated RAID controller


Expansion slots
PCIe 16x slots	3 pcs
PCIe modes	16x/1x/1x
PCIe support	4.0
Steel PCIe connectors


Internal connections
TPM connector
USB-A 2.0	2 pcs
USB-A 5Gbps	1 pcs
USB-C 5Gbps	1 pcs
ARGB LED strip	3
RGB LED strip	1

Video outputs
D-Sub output (VGA)
HDMI output
HDMI version	v2.1
DisplayPort
DisplayPort version	v.1.4


Integrated audio
Audiochip	Realtek
Sound (channels)	7.1


Network interfaces
LAN (RJ-45)	2.5 Gbps
LAN ports	1
LAN controller	Realtek


External connections
USB-A 2.0	4 pcs
USB-A 5Gbps	2 pcs
USB-A 10Gbps	2 pcs
PS/2	1


Power connectors
Main power socket	24-pin
CPU power	8-pin
Fan power connectors	5
CPU Fan 4-pin	2
Chassis/Water Pump Fan 4-pin	3


Official Website	asus.com
Added to E-Catalog	July 2023
P/N	90MB1EH0-M0EAYC

E-Catalog UK editor, Motherboards

Valerii Lenko, edited 16.07.2025

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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	Asus 90MB1EH0-M0EAYC The ASUS PRIME B650M-A II-CSM motherboard is based on the AMD B650 chipset and supports AMD processors for the AM5 socket. It... morehas four DDR5 DIMM slots in dual-channel mode for up to 192GB of memory. Other features of the ASUS PRIME B650M-A II-CSM include one PCIe 4.0 x16 slot and two PCIe 4.0 x1 slots. Additionally, the PRIME B650M-A II-CSM supports AMD AM5.Specifications:Processor:- Processor manufacturer: AMD- Processor socket: AM5 socket- Supported processor: AMD Ryzen 7 7th Gen, AMD Ryzen 9 7th Gen- Supported processor sockets: AM5 socketMemory:- Supported memory types: DDR5-SDRAM- Number of memory slots: 4- Type of memory slots: DIMM- Memory Channels: Double channel- ECC: Yes- No ECC: Yes- Supported memory clock speeds: 4800,5000,5200,5400,5600,5800,6000,6200,6400MHz- Maximum supported memory clock speed: 6400 MHz- Maximum internal memory: 128 GB- Unbuffered memory: YesStorage regulators:- Supported storage drive types: HDD & SSD- Supported storage disk interfaces: M.2, SATA III- Number of HDDs supported: 4- Number of supported storage units: 6Internal 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 electrical connector: Yes- Connector for RGB LED strips: YesRear Panel I/O Ports:- Number of USB 2.0 ports: 4- Number of USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports: 2- Number of USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports: 2- Ethernet LAN (RJ-45) ports quantity: 1- PS/2 mouse port: 1- Number of HDMI ports: 1- Number of DisplayPorts: 1- Headphone outputs: 1- Line input: Yes- Microphone, input jack: YesConnection:- Ethernet: Yes- Ethernet interface type: 2.5 Gigabit EthernetCharacteristics:- Chipset: AMD B650- Audio output channels: 7.1 channels- Component for: PC- Form factor: micro ATX- Chipset Family: AMD- Supported Windows operating system: Windows 10 x64, Windows 11Expansion slots:- PCI Express x16 Gen (3.x) slots: 3- Number of M.2 slots (M): 2BIOS:- Types of BIOS: UEFI AMI- BIOS, memory size: 256 MB/s- CMOS clear button: YesWeight and measurements:- Broad: 244 mm- Depth: 244 mm Tradeinn.com Delivery: in United Kingdom Report	£107.49 Buy in shop

	ASUS PRIME B650M-A II-CSM \| B650, AM5, DDR5, M.2 90MB1EH0-M0EAYC ASUS PRIME B650M-A II-CSM. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen... more7000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD. Ethernet interface type: 2.5 Gigabit Ethernet. Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: AMD... Senetic.co.uk Delivery: to United Kingdom Report	£150.91 Buy in shop

	ASUS PRIME B650M-A II-CSM AMD B650 Micro-ATX Socket AM5 Motherboard 90MB1EH0-M0EAYC B650M-A II-CSM ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 7000-serie... mores 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, AMDs algorithm can leverage the motherboards 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. VRM Heatsink and Thermal Pad VRM heatsink and thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance. Cooler by Design Prime B650 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS. Multiple Temperature Sources Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks. 4-Pin PWM/DC Fan Each onboard header supports auto-detection of PWM or DC fans. PERFORMANCE The PRIME B650 series is built to handle the high core counts and bandwidth demands of AMD processors. ASUS B650 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible data transfer options. DDR5 Performance Enhancement Comprehensive memory tuning options are the cornerstone of PRIME motherboards. With the PRIME B650M-A AX II, you can extract all of the potential out of your DDR5 modules, whether they're from an extreme-speed kit or an entry-level set that would otherwise be locked. For those who want to fly past stock DDR5 speeds, the PRIME B650M-A AX II is primed and ready for enthusiast-grade kits courtesy of vast AMD Extended Profiles for Overclocking (EXPO™) support. Seasoned veterans can further tweak performance via the extensive array of settings in the UEFI. Outstanding Audio Combined onboard features deliver elevated audio. Intelligent design and premium hardware create audio quality unlike anything youve ever experienced. THIS CHANGES EVERYTHING. FROM THIS NEW PLATFORM, YOU CAN SEE THE FUTURE Build your next rig with an AMD Ryzen™ 7000 Series processor and PRIME B650M-A AX II to Box.co.uk Delivery: to United Kingdom Report	£151.89 Buy in shop

	ASUS Prime B650M-A II-CSM mATX Motherboard for AMD AM5 CPUs 90MB1EH0-M0EAYC ASUS Prime B650M-A II-CSM Micro-ATX DDR5 AMD Socket AM5 Motherboard CCLonline.com Delivery: to United Kingdom Report	£151.99 Buy in shop

	ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX 90MB1EH0-M0EAYC AMD AM5 Socket: Ready for AMD Ryzen™ 7000 Series Desktop Processors. Ultrafast Connectivity: M.2 PCIe 5.0, Realtek 2.5Gb Ethe... morernet, USB 3.2 Gen 2 ports, front USB 3.2 Gen 1 Type-C®. ASUS OptiMem II: Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking. Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+. Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers and Aura RGB header for RGB LED strips, easily synced with Aura Sync-capable hardware. ASUS Control Center Express (ACCE) for easier IT endpoint management. 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.. VRM Heatsink and Thermal Pad. VRM heatsink and thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance.. Cooler by Design. Prime B650 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.. Multiple Temperature Sources. Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.. 4-Pin PWM/DC Fan. Each onboard header supports auto-detection of PWM or DC fans.. PERFORMANCE. The PRIME B650 series is built to handle the high core counts and bandwidth demands of AMD processors. ASUS B650 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible data transfer options.. DDR5 Performance Enhancement. Comprehensive memory tuning options are the cornerstone of PRIME motherboards. With the PRIME B650M-A AX II, you can extract all of the potential out of your DDR5 modules, whether they're from an extreme-speed kit or an entry-level set that would otherwise be locked.. For those who want to fly past stock DDR5 speeds, Backtotheoffice.co.uk Delivery: in United Kingdom Report	£157.99 Buy in shop