ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX

£166.10 £138.42
AMD B650 Micro-ATX motherboard with DDR5, PCIe 5.0 M.2, 2.5Gb Ethernet, DisplayPort, HDMI®, VGA, rear USB 3.2 Gen 2, front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™, Arua Sync
  • AMD AM5 Socket: Ready for AMD RyzenTM 7000 Series Desktop Processors
  • Ultrafast Connectivity: M.2 PCIe 5.0, Realtek 2.5Gb Ethernet, 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

More Information

More Information
Processor socket Socket AM5
Component for PC
Motherboard form factor Micro ATX
Compatible processor series AMD Ryzen 7000 Series
SKU 90MB1EH0-M0EAYC
EAN 4711387025543
Manufacturer ASUS
Availability Y
PDF URLs View PDF

Description

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

Specifications

Internal I/O
Number of M.2 (M) slots2
USB 3.2 Gen 2 (3.1 Gen 2) connectors0
Front panel connectorYes
Audio connectorYes
12V power connectorYes
Supported storage drive interfacesM.2, SATA III
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
mSATA ports quantity0
TPM connectorYes
Number of SATA connectors0
Number of SATA III connectors4
Number of SATA II connectors0
Number of COM connectors1
Number of chassis fan connectors3
Front panel audio connectorYes
CPU fan connectorYes
ATX Power connector (24-pin)Yes
RGB LED pin headerYes
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B650
Supported processor socketsSocket AM5
Parallel processing technology supportNot supported
On-board graphics cardNo
Motherboard form factormicro ATX
Component forPC
Audio
Audio output channels7.1 channels
Performance
Number of HDDs supported4
Supported storage drive typesHDD & SSD
Windows operating systems supportedWindows 10 x64, Windows 11
Motherboard chipset familyAMD
Motherboard chipsetAMD B650
Supported processor socketsSocket AM5
Audio output channels7.1 channels
Motherboard form factormicro ATX
Component forPC
Expansion card interfaces
Audio connectorYes
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 7000 Series
Supported processor socketsSocket AM5
Processor socketSocket AM5
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR5-SDRAM
Memory channelsDual-channel
Supported memory clock speeds4800,5000,5200,5400,5600,5800,6000,6200,6400 MHz
Maximum internal memory128 GB
Unbuffered memoryYes
Supported memory clock speed (max)6400 MHz
ECC сompatibilityECC & Non-ECC
Storage controllers
Number of HDDs supported4
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, SATA III
Number of storage drives supported6
RAID supportYes
Graphics
Parallel processing technology supportNot supported
On-board graphics cardNo
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity0
USB 2.0 ports quantity4
VGA (D-Sub) ports quantity0
PS/2 ports quantity1
Microphone inYes
Headphone outputs1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity0
DisplayPorts quantity1
Line-inYes
Network
Ethernet LANYes
Wi-FiNo
Ethernet interface type2.5 Gigabit Ethernet
Features
Windows operating systems supportedWindows 10 x64, Windows 11
Motherboard chipset familyAMD
Motherboard chipsetAMD B650
Supported processor socketsSocket AM5
Audio output channels7.1 channels
Motherboard form factormicro ATX
Component forPC
Product colourBlack
Expansion slots
Number of M.2 (M) slots2
PCI Express x16 (Gen 3.x) slots3
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Clear CMOS buttonYes
Software
Windows operating systems supportedWindows 10 x64, Windows 11
Weight & dimensions
Width244 mm
Depth244 mm
Packaging content
Cables includedSATA
Other features
mSATA ports quantity0

Delivery Details

  • UK distributors.
  • Order before 4 pm for next-day delivery.
  • Standard (2-3 days) £7.50
  • Next Day £9.99
  • Free standard delivery over £100

There are deivery surcharges to these postcodes:

Postcode Charge
IV3-40 £20
IV52-54 £20
IV63 £20
KW1-14 £20
PA10-40 £20
PH19-40 £20
PH50 £20
HS £50
IV41-51 £50
IV55-56 £50
KA27-28 £50
KW15-17 £50
PA41-49 £50
PA60-62 £50
PA76-78 £50
PH41-44 £50
ZE £50
IM £50
JE £50
GY £50
TR21-25 £50
BT £20
Suggested Products

ASUS TUF GAMING B550-PLUS WIFI II AMD B550 Socket ...

Shop Now

ASUS TUF GAMING B650M-PLUS WIFI AMD B650 Socket AM...

Shop Now

ASUS TUF GAMING B650-PLUS WIFI AMD B650 Socket AM5...

Shop Now

GIGABYTE Z790 AORUS ELITE AX Motherboard - Support...

Shop Now

ASUS TUF GAMING A620-PRO WIFI AMD A620 Socket AM5 ...

Shop Now

ASUS PRIME B760M-A WIFI D4 Intel B760 LGA 1700 mic...

Shop Now

ASUS ROG STRIX B760-A GAMING WIFI Intel B760 LGA 1...

Shop Now

ASUS ROG STRIX B760-G GAMING WIFI Intel B760 LGA 1...

Shop Now

ASUS PRIME Z790M-PLUS Intel Z790 LGA 1700 micro AT...

Shop Now

ASUS ROG STRIX B760-I GAMING WIFI Intel B760 LGA 1...

Shop Now

ASUS PRO B760M-C-CSM Intel B760 LGA 1700 micro ATX

Shop Now

ASUS ROG STRIX B760-F GAMING WIFI Intel B760 LGA 1...

Shop Now

ASUS PRO Q670M-C-CSM Intel Q670 LGA 1700 micro ATX

Shop Now

GIGABYTE B650M AORUS ELITE AX ICE Motherboard - AM...

Shop Now

ASUS TUF GAMING B650-E WIFI AMD B650 Socket AM5 AT...

Shop Now

MSI B760M PROJECT ZERO motherboard Intel B760 LGA ...

Shop Now

GIGABYTE B550I AORUS PRO AX Motherboard - AMD Ryze...

Shop Now

GIGABYTE Z790 EAGLE AX Motherboard - Supports Inte...

Shop Now

GIGABYTE B650 EAGLE Motherboard - AMD Ryzen 9000 S...

Shop Now

GIGABYTE X870 EAGLE WIFI7 Motherboard - Supports A...

Shop Now

GIGABYTE X870 GAMING X WIFI7 Motherboard - Support...

Shop Now

ASUS TUF GAMING Z890-PLUS WIFI Intel Z890 LGA 1851...

Shop Now

ASUS PRIME Z890-P Intel Z890 LGA 1851 (Socket V1) ...

Shop Now

ASUS PRIME Z890M-PLUS WIFI Intel Z890 LGA 1851 (So...

Shop Now

GIGABYTE Z890 GAMING X WIFI7 Motherboard - Support...

Shop Now

GIGABYTE B850I AORUS PRO Motherboard - AMD Ryzen 9...

Shop Now

GIGABYTE B850 EAGLE WIFI6E Motherboard - AMD Ryzen...

Shop Now

GIGABYTE B650M GAMING PLUS WIFI Motherboard - AMD ...

Shop Now

ASUS TUF GAMING B850M-PLUS WIFI AMD B850 Socket AM...

Shop Now

ASUS PRIME B840M-A-CSM AMD B840 Socket AM5 micro A...

Shop Now

GIGABYTE B850M AORUS ELITE WIFI6E ICE Motherboard-...

Shop Now

ASUS TUF GAMING B860-PLUS WIFI Intel B860 LGA 1851...

Shop Now

GIGABYTE B860 DS3H Motherboard - Supports Intel Co...

Shop Now

GIGABYTE B860 GAMING X WIFI6E Motherboard - Intel ...

Shop Now

GIGABYTE B860 EAGLE WIFI6E Motherboard - Intel Cor...

Shop Now

GIGABYTE B860M GAMING X WIFI6E Motherboard - Intel...

Shop Now

MSI B840 GAMING PLUS WIFI motherboard AMD B840 Soc...

Shop Now

GIGABYTE B850M AORUS ELITE WIFI6E Motherboard - AM...

Shop Now

ASUS B650E MAX GAMING WIFI W AMD B650 Socket AM5 A...

Shop Now

ASUS B850 MAX GAMING WIFI W AMD B850 Socket AM5 AT...

Shop Now

ASUS TUF GAMING B850M-E WIFI AMD B850 Socket AM5 m...

Shop Now

ASUS B850M MAX GAMING WIFI AMD B850 Socket AM5 mic...

Shop Now

GIGABYTE B850 EAGLE ICE Motherboard - AMD Ryzen 90...

Shop Now

GIGABYTE B850M EAGLE WIFI6E ICE Motherboard - AMD ...

Shop Now

GIGABYTE B760M AORUS ELITE WIFI6E GEN5 Motherboard...

Shop Now

GIGABYTE B760 GAMING X GEN5 Motherboard - Supports...

Shop Now

ASUS PRO B860M-C-CSM Intel B860 LGA 1851 (Socket V...

Shop Now

Asrock X870 Pro RS WiFi AMD X870 Socket AM5 ATX

Shop Now

Asrock B650 Pro RS AMD B650 Socket AM5 ATX

Shop Now

Asrock A620AI WiFi AMD A620A Socket AM5 mini ITX

Shop Now

GIGABYTE B850 AORUS ELITE WIFI7 ICE Motherboard - ...

Shop Now

Asrock B650 PG Lightning AMD B650 Socket AM5 ATX

Shop Now

GIGABYTE B850 AORUS ELITE WIFI7 Motherboard - AMD ...

Shop Now

Asrock X870 PRO RS AMD X870 Socket AM5 ATX

Shop Now

ASUS B850 MAX GAMING WIFI AMD B850 Socket AM5 ATX

Shop Now

MSI MAG B850 GAMING PLUS MAX WIFI motherboard AMD ...

Shop Now

MSI PRO B850-S EVO WIFI motherboard AMD B850 Socke...

Shop Now

MSI PRO X870E-S EVO WIFI motherboard AMD X870E Soc...

Shop Now

GIGABYTE B760M GAMING X WIFI6E GEN5 Motherboard - ...

Shop Now

GIGABYTE B650 AORUS ELITE AX ICE Motherboard - Sup...

Shop Now

Asrock B850 Pro RS WiFi AMD B850 Socket AM5 ATX

Shop Now

ASUS PRO B550M-C/CSM AMD B550 Socket AM4 micro ATX

Shop Now

MSI PRO Z790-P WIFI motherboard Intel Z790 LGA 170...

Shop Now

ASUS ROG STRIX B650E-E GAMING WIFI AMD B650 Socket...

Shop Now

ASUS ROG STRIX B650E-I GAMING WIFI AMD B650 Socket...

Shop Now

ASUS TUF Gaming B760-Plus WIFI Intel B760 LGA 1700...

Shop Now

ASUS TUF GAMING Z790-PLUS WIFI Intel Z790 LGA 1700...

Shop Now

ASUS TUF GAMING B760M-PLUS WIFI II Intel B760 LGA ...

Shop Now

GIGABYTE X870 GAMING WIFI6 Motherboard - Supports ...

Shop Now

ASUS PRIME Z890-P WIFI Intel Z890 LGA 1851 (Socket...

Shop Now

Asrock Phantom Gaming B850I Lightning WiFi AMD B85...

Shop Now

MSI B850 GAMING PLUS WIFI motherboard AMD B850 Soc...

Shop Now

GIGABYTE B860M DS3H Motherboard - Intel Core Ultra...

Shop Now

Asrock B850 Pro-A WiFi AMD B850 Socket AM5 ATX

Shop Now

ASUS TUF GAMING B650E-PLUS WIFI AMD B650 Socket AM...

Shop Now

GIGABYTE B850 EAGLE WIFI7 ICE Motherboard - AMD Ry...

Shop Now

MSI PRO B850-S WIFI6E motherboard AMD B850 Socket ...

Shop Now

MSI Pro B840-S EVO WIFI6E AMD B840 Socket AM5 ATX

Shop Now

GIGABYTE B850 GAMING WIFI6 Motherboard - AMD Ryzen...

Shop Now

ASUS TUF Gaming B550-PLUS AMD B550 Socket AM4 ATX

Shop Now

ASUS PRIME Z790-P WIFI Intel Z790 LGA 1700 ATX

Shop Now

GIGABYTE B650 EAGLE AX Motherboard - AMD Ryzen 900...

Shop Now

GIGABYTE B650 GAMING X AX V2 Motherboard - AMD Ryz...

Shop Now

ASUS PRIME X870-P AMD X870 Socket AM5 ATX

Shop Now

GIGABYTE B850M D3HP Motherboard - AMD Ryzen 9000 S...

Shop Now

ASUS TUF GAMING B850-PLUS WIFI AMD B850 Socket AM5...

Shop Now

ASUS PRIME B840-PLUS WIFI AMD B840 Socket AM5 ATX

Shop Now

MSI PRO B850-P WIFI motherboard AMD B850 Socket AM...

Shop Now

MSI PRO B840-P WIFI motherboard AMD B840 Socket AM...

Shop Now

Asrock B850 Steel Legend WiFi AMD B850 Socket AM5 ...

Shop Now

ASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATX

Shop Now

ASUS PRIME B850-PLUS-CSM AMD B850 Socket AM5 ATX

Shop Now

ASUS PRIME B850M-A WIFI AMD B850 Socket AM5 micro ...

Shop Now

MSI MAG Z790 TOMAHAWK WIFI motherboard Intel Z790 ...

Shop Now

Asrock Z790 Pro RS Intel Z790 LGA 1700 ATX

Shop Now

MSI B850 GAMING PLUS WIFI PZ motherboard AMD B850 ...

Shop Now

ASUS TUF GAMING B850M-PLUS WIFI7 AMD B850 Socket A...

Shop Now

ASUS TUF GAMING B850M-PLUS WIFI7 W AMD B850 Socket...

Shop Now

ASUS ROG STRIX B650-A GAMING WIFI AMD B650 Socket ...

Shop Now

MSI B760 GAMING PLUS WIFI motherboard Intel B760 L...

Shop Now

ASUS Prime X870-P WIFI AMD X870 Socket AM5 ATX

Shop Now

MSI MPG B850 EDGE TI WIFI motherboard AMD B850 Soc...

Shop Now

ASUS TUF GAMING B850-E WIFI AMD B850 Socket AM5 AT...

Shop Now

MSI MAG B850M MORTAR WIFI motherboard AMD B850 Soc...

Shop Now

MSI PRO B840M-P WIFI6E motherboard AMD B840 Socket...

Shop Now

GIGABYTE B760 DS3H WIFI6E GEN5 Motherboard - Suppo...

Shop Now

MSI B550 GAMING WIFI motherboard AMD B550 Socket A...

Shop Now

ASUS ROG STRIX B550-F GAMING WIFI II AMD B550 Sock...

Shop Now

MSI Z790 GAMING PLUS WIFI motherboard Intel Z790 L...

Shop Now

MSI B840M GAMING PLUS WIFI6E motherboard AMD B840 ...

Shop Now

MSI B760 GAMING PLUS WIFI DDR4 motherboard Intel B...

Shop Now

Fujitsu D3236-S GS3 motherboard Intel® Q87 LGA 11...

Shop Now

ASUS ROG STRIX B550-A GAMING AMD B550 Socket AM4 A...

Shop Now

MSI MAG B850 TOMAHAWK WIFI motherboard AMD B850 So...

Shop Now

GIGABYTE B850 GAMING X WIFI6E Motherboard - AMD Ry...

Shop Now

MSI B850M GAMING PLUS WIFI6E motherboard AMD B850 ...

Shop Now

You may also be interested in

Compare Products
Product ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX ASUS PRIME B650M-A II-CSM AMD B650 Soc...
£166.10 £138.42
Fujitsu D3236-S GS3 motherboard Intel® Q87 LGA 1150 (Socket H3) ATX Fujitsu D3236-S GS3 motherboard Intel®...
£224.82 £187.35
ASUS PRO B550M-C/CSM AMD B550 Socket AM4 micro ATX ASUS PRO B550M-C/CSM AMD B550 Socket A...
£141.20 £117.67
ASUS ROG STRIX B550-A GAMING AMD B550 Socket AM4 ATX
Bestseller
ASUS ROG STRIX B550-A GAMING AMD B550...
£135.96 £113.30
ASUS TUF Gaming B550-PLUS AMD B550 Socket AM4 ATX ASUS TUF Gaming B550-PLUS AMD B550 Soc...
£133.56 £111.30
ASUS TUF GAMING B550-PLUS WIFI II AMD B550 Socket AM4 ATX
Hot Product
ASUS TUF GAMING B550-PLUS WIFI II AMD...
£146.14 £121.78
SKU
90MB1EH0-M0EAYC
D3236-S GS3
90MB15Q0-M0EAYC
90MB15J0-M0EAY0
90MB14G0-M0EAY0
90MB19U0-M0EAY0
Manufacturer
ASUS
Fujitsu
ASUS
ASUS
ASUS
ASUS
Processor manufacturer
AMD
N/A
AMD
AMD
AMD
AMD
Motherboard form factor
micro ATX
ATX
micro ATX
ATX
ATX
ATX
Processor socket
Socket AM5
LGA 1150 (Socket H3)
Socket AM4
Socket AM4
Socket AM4
Socket AM4
Supported memory types
DDR5-SDRAM
DDR3-SDRAM
DDR4-SDRAM
DDR4-SDRAM
DDR4-SDRAM
DDR4-SDRAM
Component for
PC
N/A
PC
PC
nettop
PC
Number of memory slots
4 to 6
4 to 6
4 to 6
4 to 6
4 to 6
4 to 6