ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 Micro ATX 90MB1EH0-M0EAYC

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, 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 you-ve 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 experience advanced performance. With up to 16 -Zen 4- cores and 32 threads, boost clocks of up to 5.7GHz, and 80MB cache, the AMD Ryzen- 7000 Series keeps you ahead of the game.1

You-ll also gain access to new features for gamers with AMD Socket AM5, from the speed of DDR5 memory to the increased bandwidth of PCIe- 5.0. AMD Ryzen- 7000 Series processors and AMD socket AM5 motherboards are unlocked for overclocking to personalize your experience. Gain even more performance when you overclock your DDR5 memory with AMD EXPO- technology.2

Specs




Processor


Processor manufacturer

The manufacturer that produced the processor.

AMD


Processor socket

Mechanical component(s) that provides mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows the processor to be replaced without soldering.

Socket AM5


Compatible processor series

A processor which is compatible with this device, belongs to a 'series' which is part of 'family' e.g Celeron D, Celeron G, Celeron M, or, in some cases, is the same as 'family'.

AMD Ryzen 7000 Series


Supported processor sockets

The sockets (plugs) for processors that are supported (can be used) by the device.

Socket AM5


Memory


Supported memory types

Types of memory which can be used with the product.

DDR5-SDRAM


Number of memory slots

4


Memory slots type

A memory slot, also known as a memory socket or RAM slot, is what allows computer memory (RAM) to be inserted into the computer. Depending on the motherboard, there will usually be 2 to 4 memory slots (sometimes more on high-end motherboards). The most common types of RAM are SDRAM and DDR for desktop computers and SODIMM for laptop computers, each having various types and speeds.

DIMM


Memory channels

Dual-channel


ECC ?ompatibility

ECC & Non-ECC


Supported memory clock speeds

Memory clock speed is the time it takes for a computer to complete basic operations. It refers to the computer's processing speed and is measured in hertz. It is however not such a reliable measure of a computer's speed as it doesn't take into account other factors like RAM and cache size.

4800, 5000, 5200, 5400, 5600, 5800, 6000, 6200, 6400 MHz


Supported memory clock speed (max)

6400 MHz


Maximum internal memory

The maximum internal memory which is available in the product.
8 GB


Unbuffered memory




Storage controllers


Supported storage drive types

The type of storage drives the device is compatible with.

HDD & SSD


Supported storage drive interfaces

M.2, SATA III


Number of HDDs supported

The total number of hard drives that can be used in/with this product.

4


Number of storage drives supported

How many storage drives can be fit into the product at once.

6


RAID support

The device uses RAID, which is a storage technology that combines multiple disk drive components into a logical unit for the purposes of data redundancy and performance improvement. Data is distributed across the drives in one of several ways, referred to as RAID levels, depending on the specific level of redundancy and performance required.




Graphics


Parallel processing technology support

Parallel processing technology is the simultaneous use of more than one CPU or processor core to execute a program or multiple computational threads. Ideally, parallel processing makes programs run faster because there are more engines (CPUs or Cores) running it. In practice, it is often difficult to divide a program in such a way that separate CPUs or cores can execute different portions without interfering with each other. Most computers have just one CPU, but some models have several, and multi-core processor chips are becoming the norm. There are even computers with thousands of CPUs.

Not supported


On-board graphics card

Graphics hardware which is built into the motherboard or CPU, as opposed to a separate graphics adapter (video card). On-board graphics uses CPU and RAM for graphics processing.




Internal I/O


USB 2.0 connectors

The end of a cable with a USB 2.0 connector. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), in addition to the "USB 1.x Full Speed" signaling rate of 12 Mbit/s. USB 2.0 connectors are usually colored black.

2


USB 3.2 Gen 1 (3.1 Gen 1) connectors

This is a connector (normally attached to a cable) for USB 3.0. USB 3.0 is the second major revision of the Universal Serial Bus (USB) standard for computer connectivity. First introduced in 2008, USB 3.0 adds a new transfer mode called "SuperSpeed," (distinguishable from USB 2.0 by either the blue colour of the port or the initials SS) capable of transferring data at up to 5Gbit/s-more than ten times as fast as the 480 Mbit/s top speed of USB 2.0.

2


Number of SATA III connectors

Serial ATA (Advanced Technology Attachment) (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. The bandwidth throughput, which is supported by the interface, is up to 600MB/s. This interface is backwards compatible with SATA 3 Gb/s interface.

4


Audio connector




Front panel audio connector




Front panel connector




ATX Power connector (24-pin)




CPU fan connector




Number of chassis fan connectors

3


Number of COM connectors

1


TPM connector



V power connector





Internal I/O


RGB LED pin header




Rear panel I/O ports


USB 2.0 ports quantity

Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.

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

Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.

1


PS/2 ports quantity

The number of PS/2 connectors for keyboards and mice. Its name comes from the IBM Personal System/2.

1


HDMI ports quantity

The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.

1


DisplayPorts quantity

Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.

1


Headphone outputs

Number of sockets /ports where headphones are connected.

1


Line-in




Microphone in

The socket where a microphone is connected to the device.




Network


Ethernet LAN

An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.




Ethernet interface type

2.5 Gigabit Ethernet


Wi-Fi

Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.




Features


Motherboard chipset

The chipset connects the microprocessor to the rest of the motherboard.

AMD B650


Audio output channels

An audio output channel is an electric circuit which acts as a path for a signal produced by a device. A device may have several audio output channels.

7.1 channels


Product colour

The colour e.g. red, blue, green, black, white.

Black


Component for

What this product is used as a part of (component for).

PC


Motherboard form factor

Design of the motherboard (ATX, BTX etc).

micro ATX


Motherboard chipset family

The category of motherboard chipset e.g. Intel, AMD.

AMD


Windows operating systems supported

Windows vesions wich can be used with the device.

Windows 10 x64, Windows 11


Expansion slots


PCI Express x16 (Gen 3.x) slots

Places where PCI Express x16 (Gen 3.x) are placed inside and connected to the computer motherboard.

3


Number of M.2 (M) slots

2


BIOS


BIOS type

The BIOS (Basic Input/Output System) initializes and tests system hardware components, and loads a bootloader or an operating system from a mass memory device. The BIOS additionally provides abstraction layer for the hardware, i.e. a consistent way for application programs and operating systems to interact with the keyboard, display, and other input/output devices. There are several types of BIOS, including the motherboard ROM BIOS, video BIOS, drive controller BIOS, network adapter BIOS, and SCSI adapter BIOS.

UEFI AMI


BIOS memory size

256 Mbit


Clear CMOS button




Weight & dimensions


Width

The measurement or extent of something from side to side.

244 mm


Depth

The distance from the front to the back of something.

244 mm


Packaging content


Cables included

SATA