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Asus

Asus PRIME B650M-A II-CSM

Line-in
Ethernet LAN
RAID support
Microphone in
TPM connector
ASUS PRIME B650M-A II-CSM, AMD, Socket AM5, AMD Ryzen 7000 Series, Socket AM5, DDR5-SDRAM, 128 GB
Brand: Asus
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At a Glance

Key highlights and verified hardware specifications

Detailed specs deep dive2 PDF manuals available
Clock Speed Ghz
6400 MHz
HDMI ports quantity
1
Width
244 mm
Depth
244 mm
Line-in
Line-in
BIOS type
UEFI AMI
Lowest Price
£157.99
Andote Score
7.8/10
Price Tier Avg
7.1/10
Category Avg
7.1/10
Price Trend
Stable

Andote Analysis

Rated: 25 Sep 2026Evaluated at £161.99
Hardware6.0/10
Andote Score7.8/10
Score Deciding Factors8 Key drivers
✓Tier-1 Brand (Asus)
Premium manufacturer reliability & build qualityTier-1 Standing
✓Competitive Price£161
Favorable price-to-performance ratio in categoryHigh Value
✕Very Low Storage Capacity6GB
Significantly below category average benchmark4.0/10
✕Limited Ports Quantity1.0
Significantly below category average benchmark4.0/10
✓High-End Power Consumption1V
Top-tier capability in this category10.0/10
•Standard Width244.0
Solid standard benchmark for category6.8/10
•Standard Depth244.0
Solid standard benchmark for category7.1/10
!Modest HDMI Ports1.0
Entry-level benchmark rating limits overall score5.2/10
How We Calculate This Score

All parameters are evaluated as per the price. Our algorithm calculates each hardware specification's relative efficiency against peer products in the category based on its selling price, giving you an objective measure of value per pound. User ratings are not included in this calculation.

AI-powered analysis based on product specifications, price, and available data.

Price History

Current:£161.99
Lowest:£157.99
Average:£158.99
Price is stablePrice has remained consistent in the recent past.
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About Asus PRIME B650M-A II-CSM

Detailed specs deep dive
Official user manuals, spec sheets, and 2 PDF documents are available for this model in the Detailed specs deep dive
Brand: Asus • Model: PRIME B650M-A II-CSMModel: 90MB1EH0-M0EAYCHardware Score: 6.0/10Andote Score: 7.8/10Price-Tier Avg: 7.1/10Category Avg: 7.1/10

AMD AM5 Socket: Ready for AMD Ryzen™ 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. 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. Processor. Processor manufacturer. AMD. Processor socket. Socket AM5. Compatible processor series. AMD Ryzen 7000 Series. Supported processor sockets. Socket AM5. Memory. 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. Storage controllers. Supported storage drive types. HDD & SSD. Supported storage drive interfaces. M.2, SATA III. Number of storage drives supported. 6. Number of HDDs supported. 4. RAID support. Yes. Graphics. Parallel processing technology support. Not supported. On-board graphics card. No. Internal 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. 12V power connector. Yes. TPM connector. Yes. Number of COM connectors. 1. RGB LED pin header. Yes. Rear panel I/O ports. 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. Line-in. Yes. Headphone outputs. 1. Microphone in. Yes. Network. Ethernet LAN. Yes. Ethernet interface type. 2.5 Gigabit Ethernet. Wi-Fi. No. Top Wi-Fi standard. Not available. Features. Component for. PC. Motherboard form factor. micro ATX. Motherboard chipset family. AMD. Motherboard chipset. AMD B650. Audio output channels. 7.1 channels. Product colour. Black. Windows operating systems supported. Windows 10 x64, Windows 11. Expansion slots. PCI Express x16 (Gen 4.x) slots. 3. Number of M.2 (M) slots. 2. BIOS. BIOS type. UEFI AMI. BIOS memory size. 256 Mbit. Clear CMOS button. Yes. Weight & dimensions. Width. 244 mm. Depth. 244 mm. Packaging content. Cables included. SATA. manual pdf

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