---
product_id: 521833265
title: "ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard,DDR5 6400+(OC),PCIe 5.0 M.2 support,Realtek 2.5Gb LAN,DisplayPort,VGA,HDMI®, USB 3.2 Gen 2 ports,front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™"
brand: "asus"
price: "$377.04"
currency: USD
in_stock: true
reviews_count: 5
category: "Asus"
url: https://www.desertcart.us/products/521833265-asus-prime-b650m-a-ii-csm-micro-atx-commercial-motherboard
store_origin: US
region: United States of America
---

# DDR5 6400+ OC speed Realtek 2.5Gb Ethernet PCIe 5.0 M.2 ultra-fast storage ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard,DDR5 6400+(OC),PCIe 5.0 M.2 support,Realtek 2.5Gb LAN,DisplayPort,VGA,HDMI®, USB 3.2 Gen 2 ports,front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™

**Brand:** asus
**Price:** $377.04
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock Ryzen Power & Speed with ASUS PRIME B650M-A II-CSM

## Quick Answers

- **What is this?** ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard,DDR5 6400+(OC),PCIe 5.0 M.2 support,Realtek 2.5Gb LAN,DisplayPort,VGA,HDMI®, USB 3.2 Gen 2 ports,front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™ by asus
- **How much does it cost?** $377.04 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/521833265-asus-prime-b650m-a-ii-csm-micro-atx-commercial-motherboard)

## Best For

- asus enthusiasts

## Why This Product

- Trusted asus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless BIOS FlashBack™:** Update your BIOS hassle-free without powering on your PC — perfect for quick upgrades and compatibility fixes on the fly.
- • **Pro-Level Connectivity Suite:** Stay connected with Realtek 2.5Gb LAN, USB 3.2 Gen 2 ports, and front USB-C for ultra-responsive data transfers and peripherals.
- • **Next-Gen PCIe 5.0 M.2 Storage:** Experience lightning-quick NVMe SSD performance with PCIe 5.0 support, cutting load times and boosting productivity.
- • **Advanced Cooling & Aura Sync RGB:** Keep your system cool under pressure with 6-layer PCB, VRM heatsinks, and customizable Aura Sync lighting for a sleek, professional setup.
- • **Blazing-Fast DDR5 Memory Support:** Push your Ryzen 7000 series to the limit with DDR5 6400+ overclocking for seamless multitasking and future-proof speed.

## Overview

The ASUS PRIME B650M-A II-CSM is a cutting-edge Micro-ATX motherboard designed for AMD Ryzen 7000 series processors, featuring DDR5 6400+ overclocking, PCIe 5.0 M.2 support, and Realtek 2.5Gb Ethernet. It offers robust power delivery, comprehensive cooling solutions, and user-friendly BIOS FlashBack™ for seamless updates. With versatile connectivity including USB 3.2 Gen 2 and front USB-C, plus Aura Sync RGB lighting, it’s engineered for professionals and PC builders seeking high performance and future-ready expandability.

## Description

ASUS PRIME B650M-A WIFI II ASUS Prime series motherboards expertly engineered to unleash the full potential of AMD Ryzen 9000*, 8000*, 7000 series processors. Boasting robust power design, comprehensive cooling solutions and intelligent tuning, PRIME B650-PLUS provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features

Review: Excelente placa madre. - Hasta ahora, una placa muy buena por el precio que la adquirí, la he estado usando ya por más de 2 años y va de maravilla.
Review: The bios flash feature saved me! - I've purchased this motherboards with 2X 32 gigs of DDR 5 memory sticks. Turns out that the memory sticks were high density ones and was not supported by the motherboard out of the box. I couldn't even boot the pc to get to the UEFI. This motherboard has a USB port that's dedicated for BIOS flashing. It can actually flash the motherboard BIOS without turning the PC on. I just downloaded the updated bios to a usb stick and used the flash port to get the updated firmware onto the motherboard. After I pressed the button I had to wait until the LED turned off and it was done it worked, posted and booted. I don't know if this is an industry standard or if it is for how long has it been a standard because I had been using a laptop for 8 years but I'm very happy to have this function.

## Features

- AMD AM5 Socket: Ready for AMD Ryzen 7000 Series Desktop Processors
- Ultrafast Connectivity: DDR5 6400+(OC) 600M.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: 6-layer 2Oz PCB design, 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BSP5ZLD9 |
| Brand | ASUS |
| CPU Model | Ryzen 7 |
| CPU socket | Socket AM5 |
| Chipset Family | AMD B650 |
| Chipset Type | AMD B650 |
| Chipset type | AMD B650 |
| Compatible Devices | Personal Computer |
| Compatible Processors | AMD Ryzen |
| Compatible devices | Personal Computer |
| Compatible processors | AMD Ryzen |
| Customer Reviews | 3.9 out of 5 stars 47 Reviews |
| Graphics Card Interface | PCI Express |
| Item Dimensions L x W x H | 27.9L x 6.9W x 27.9H centimeters |
| Item Type Name | Computer motherboard |
| Item Weight | 1.2 kg |
| Main Power Connector Type | 24-Pin |
| Manufacturer | ASUS |
| Memory Clock Speed | 4400 MHz |
| Memory Slots Available | 4 |
| Memory Storage Capacity | 64 GB |
| Mfr Part Number | PRIME B650M-A II-CSM |
| Model Name | PRIME B650M-A II-CSM |
| Model Number | PRIME B650M-A II-CSM |
| Number of Ethernet Ports | 1 |
| Number of Items | 1 |
| Number of Ports | 8 |
| Platform | Windows 10 |
| Processor Socket | Socket AM5 |
| RAM Memory Technology | DDR5 |
| Ram Memory Maximum Size | 128 GB |
| Ram memory technology | DDR5 |
| S/PDIF Connector Type | Optical |
| System Bus Standard Supported | PCIe 5.0 |
| Total Number of HDMI Ports | 1 |
| Total PCIe Ports | 3 |
| Total SATA Ports | 4 |
| Total Usb Ports | 3 |
| UPC | 197105025547 |
| USB 2.0 | 2 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** ASUS
- **CPU socket:** Socket AM5
- **Compatible devices:** Personal Computer
- **Compatible processors:** AMD Ryzen
- **Ram memory technology:** DDR5

## Images

![ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard,DDR5 6400+(OC),PCIe 5.0 M.2 support,Realtek 2.5Gb LAN,DisplayPort,VGA,HDMI®, USB 3.2 Gen 2 ports,front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™ - Image 1](https://m.media-amazon.com/images/I/81amoC797LL.jpg)
![ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard,DDR5 6400+(OC),PCIe 5.0 M.2 support,Realtek 2.5Gb LAN,DisplayPort,VGA,HDMI®, USB 3.2 Gen 2 ports,front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™ - Image 2](https://m.media-amazon.com/images/I/91q5pJ9euyL.jpg)
![ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard,DDR5 6400+(OC),PCIe 5.0 M.2 support,Realtek 2.5Gb LAN,DisplayPort,VGA,HDMI®, USB 3.2 Gen 2 ports,front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™ - Image 3](https://m.media-amazon.com/images/I/91+wQQuXCBL.jpg)
![ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard,DDR5 6400+(OC),PCIe 5.0 M.2 support,Realtek 2.5Gb LAN,DisplayPort,VGA,HDMI®, USB 3.2 Gen 2 ports,front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™ - Image 4](https://m.media-amazon.com/images/I/91zedhQF-mL.jpg)
![ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard,DDR5 6400+(OC),PCIe 5.0 M.2 support,Realtek 2.5Gb LAN,DisplayPort,VGA,HDMI®, USB 3.2 Gen 2 ports,front USB 3.2 Gen 1 Type-C®, BIOS FlashBack™ - Image 5](https://m.media-amazon.com/images/I/61Mi41aKyqL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excelente placa madre.
*by J***V on 23 March 2026*

Hasta ahora, una placa muy buena por el precio que la adquirí, la he estado usando ya por más de 2 años y va de maravilla.

### ⭐⭐⭐⭐⭐ The bios flash feature saved me!
*by V***. on 30 March 2024*

I've purchased this motherboards with 2X 32 gigs of DDR 5 memory sticks. Turns out that the memory sticks were high density ones and was not supported by the motherboard out of the box. I couldn't even boot the pc to get to the UEFI. This motherboard has a USB port that's dedicated for BIOS flashing. It can actually flash the motherboard BIOS without turning the PC on. I just downloaded the updated bios to a usb stick and used the flash port to get the updated firmware onto the motherboard. After I pressed the button I had to wait until the LED turned off and it was done it worked, posted and booted. I don't know if this is an industry standard or if it is for how long has it been a standard because I had been using a laptop for 8 years but I'm very happy to have this function.

### ⭐ Comes without m.2 Hardware
*by T***T on 27 December 2024*

Motherboard has multiple m.2 slots but comes with no anchors or screws to mount them. I bought m.2 drives and cannot even install them so I cant even build the PC. It has spots for the hardware but you have to buy 3rd party risers and hope they fit the non-standard holes.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-13*