SKU: PRIME B650M-A WIFI II-CSM-SI
Availability: In Stock
Brand: ASUS
Category: Motherboards
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ASUS PRIME B650M-A WIFI II-CSM is a robust Micro-ATX motherboard built on the AMD B650 chipset to support the latest AMD AM5 socket Ryzen desktop processors (7000/8000/9000 series with BIOS update). It features four DDR5 DIMM slots supporting up to 192 GB of high-speed memory with ASUS OptiMem II trace routing and overclocking support, including ECC and non-ECC unbuffered memory.
This board brings blazing-fast storage options with dual M.2 slots: a PCIe 5.0 x4 slot for next-gen NVMe SSDs compatible with Ryzen 7000/8000/9000 CPUs, and a PCIe 4.0 x4 secondary M.2 slot. Legacy SATA 6 Gbps ports support traditional drives with RAID 0/1/10 for data redundancy and performance.
Connectivity is comprehensive with Realtek 2.5Gb Ethernet, Wi-Fi 6 (2x2) with Bluetooth 5.2, multiple USB 3.2 Gen 2 ports including rear Type-A and front USB 3.2 Gen 1 Type-C header, plus display outputs (HDMI, DisplayPort, VGA) depending on CPU iGPU. The motherboard benefits from advanced cooling solutions with VRM and PCH heatsinks plus hybrid fan headers managed via ASUS Fan Xpert 2+.
For IT management and enterprise reliability, the board is part of ASUS Corporate Stable Model (CSM) program, including ASUS Control Center Express (ACCE) and BIOS FlashBack functionality for ease of firmware updates. ASUS Aura Sync RGB lighting with onboard Addressable Gen 2 headers lets you customize and synchronize lighting effects.
Audio performance is elevated by the Realtek S1220A-class codec with premium capacitors and dedicated PCB layers, supporting DTS:X Ultra spatial audio.
This motherboard is ideal for compact yet powerful workstation or gaming builds demanding cutting-edge CPU, memory, and storage technologies integrated with strong network and cooling features.
For more information, visit the [official ASUS product page](https://www.asus.com/motherboards-components/motherboards/csm/prime-b650m-a-wifi-ii-csm/).
| Memory Channels | Channel |
| Max Memory Capacity | 192 |
| Memory Slots | 4 |
| BIOS/Flash | ASUS UEFI BIOS,PBO Enhancement,Dynamic OC Switcher,Ryzen Core Flex,BIOS FlashBack |
| Audio | Realtek S1220A-class,DTS:X Ultra support |
| Wi-Fi | Wi-Fi 6 (2x2) |
| Bluetooth | Bluetooth 5.2 |
| LAN | Realtek 2.5Gb Ethernet |
| SATA Ports | 4 |
| M.2 Slots | 2 |
| memory_type | DDR5 |
| Chipset | AMD B650 |
| CPU Socket | AM5 |
| Form Factor | Micro-ATX |
| Manufacturer | ASUS |
| Model | PRIME B650M-A WIFI II-CSM |