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

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

Brand Asus

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£159.99

3 offers at 3 retailers

Listed since 7 April 2026

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Description

B650M-A II-CSMASUS 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.FLEXIBILITYComprehensive 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 BoostAMD 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.COOLINGPRIME 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 PadVRM heatsink and thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance.Cooler by DesignPrime B650 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.Multiple Temperature SourcesEach 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 FanEach onboard header supports auto-detection of PWM or DC fans.PERFORMANCEThe 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 EnhancementComprehensive 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 AudioCombined onboard features deliver elevated audioIntelligent design and premium hardware create audio quality unlike anything you’ve ever experienced.THIS CHANGES EVERYTHING.FROM THIS NEW PLATFORM, YOU CAN SEE THE FUTUREBuild 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.1You’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

Processor manufacturer AMD
Processor socket Socket AM5
Compatible processor series AMD Ryzen 7000 Series
Supported processor sockets Socket AM5
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
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
Parallel processing technology support Not supported
On-board graphics card No
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
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
Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet
Wi-Fi No
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
PCI Express x16 (Gen 3.x) slots 3
Number of M.2 (M) slots 2
BIOS type UEFI AMI
BIOS memory size 256 Mbit
Clear CMOS button Yes
Width 244 mm
Depth 244 mm
Cables included SATA

Full specifications

Marque Asus
Référence fabricant 90mb1eh0m0eayc
EAN 4711387025543

The ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX in its market context in 2026

Choosing the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX means opting for the expertise of Asus in the Informatique category. Its price starting from £159.99 makes it a serious option on the market. Buyers interested in this brand also look at the ASUS NUC 15 Pro+ RNUC15CRSU700003 Silver 255H to complete their comparison. On Compiral, all displayed prices are updated regularly and retailers are selected for their reliability and quality of customer service.

Asus: what this model offers

What buyers remember about the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX: consistent quality, intuitive use and a price that stays within market norms for this level of performance. The positioning of Asus on the Informatique segment ensures access to spare parts and a structured after-sales service, which matters greatly in the long run. A solid choice in 2026, whether for a new purchase or to replace a failing device. Also discover the ASUS TUF Gaming A14 FA401KM-RG003W AMD Ryzen™ AI 7 350 Laptop 35.6 cm (14") 2.5K 16 GB LPDDR5x-SDRAM 1 TB SSD NVIDIA GeForce RTX 5060 Wi-Fi 6E (802.11ax) Windows 11 Home Belgian Grey from the same brand for a second level of comparison.

The strengths that really make a difference

What truly differentiates the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX from other products in the Informatique category comes down to a few concrete points: the build quality typical of Asus, its availability from many retailers and accessible after-sales support. These criteria, often decisive for buyers, favour this model over alternatives on the market in 2026. Compare with the ASUS NUC 15 Pro+ RNUC15CRSU700003 Silver 255H if you wish to explore other models from the brand.

What you need to know before buying

Before buying the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX, check the following points: stock availability at your chosen retailer, the returns policy, warranty period and delivery charges. These details are accessible from our offers table at the top of this page. Asus generally offers a well-structured after-sales network for the Informatique category.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 3190 £
Mid-range3190 £ to 7450 £
High-endOver 7450 £

Comparing prices before buying the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX can save you between £10 and £40 depending on the retailer and the time of year. Use Compiral to never overpay for your online purchases. The 3 offers listed on this page all come from verified retailers with sales conditions compliant with consumer protection law.

Frequently asked questions about ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX

Is there a refurbished version of the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX?

Refurbished versions of the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

When do prices for the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX drop during the year?

Prices for the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Informatique category.

Is delivery free for the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX at all retailers?

Free delivery is not guaranteed for the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

How do I return the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX if I am not satisfied?

You have a 14-day right of withdrawal for any online purchase, applicable to the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.

Is the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX worth its price in 2026?

In 2026, the ASUS PRIME B650M-A II-CSM AMD B650 Socket AM5 micro ATX is listed from £159.99 at our partner retailers. This price is consistent with the positioning of Asus in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.

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