ASUS PRIME B650M-A II-CSM AM5 Micro ATX Motherboard
Brand: ASUS
90MB1EH0-M0EAYC
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ASUS PRIME B650M-A II-CSM AM5 Micro ATX Motherboard
A compact AM5 CSM motherboard for practical Ryzen desktop builds, with DDR5 support, PCIe 5.0 M.2 storage, three M.2 slots, 2.5GbE LAN and USB-C connectivity.
AMD AM5B650 ChipsetDDR52.5GbE LAN
The ASUS PRIME B650M-A II-CSM is a Micro ATX motherboard for AMD Socket AM5 Ryzen desktop processors. It is a practical choice for compact business, office and productivity PCs where DDR5 memory, PCIe 5.0 M.2 storage support, Realtek 2.5Gb Ethernet, USB connectivity and ASUS CSM deployment support are important.
Compatibility Note: Please confirm CPU support, BIOS version, DDR5 memory QVL, case size and cooler clearance before purchase. PCIe 5.0 M.2 support and display output behavior can vary depending on the installed Ryzen processor.
Best For
✓ Compact AM5 business PCs
✓ Office and productivity builds
✓ DDR5 and M.2 storage setups
✓ Wired 2.5GbE network setups
Key Features
Compact AM5 Business Platform
The Micro ATX format and AM5 socket make this board suitable for compact Ryzen office, business and productivity desktops.
DDR5 and Fast M.2 Storage
DDR5 memory support and three M.2 slots, including PCIe 5.0 M.2 support, provide a responsive base for modern desktop systems.
Business-Friendly Connectivity
Realtek 2.5Gb Ethernet, USB 3.2 Gen 2 rear ports and front USB Type-C support help create a practical office desktop setup.
ASUS CSM Focus
The CSM version is suited to business deployments where practical stability, manageability and longer availability planning matter.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
Choose this model if you need a compact AM5 CSM motherboard with DDR5, 2.5GbE LAN, three M.2 slots and PCIe 5.0 M.2 storage support. If wireless networking is required, choose a Wi-Fi version instead.
Buyer’s Guide
Buy it if
You are building a compact Ryzen AM5 business PC and want DDR5, 2.5GbE LAN, three M.2 slots and ASUS CSM support.
Skip it if
You need built-in Wi-Fi, PCIe 5.0 graphics, Wi-Fi 7, USB4 rear connectivity or a gaming-branded motherboard.
Also consider
Consider ASUS PRIME B650M-A WIFI II if wireless networking is required, or an ASUS B850M board for newer chipset positioning.
Features - ASUS - 90MB1EH0-M0EAYC
More Details
Product Code
04:437550
EAN Code
4711387025543
Manufacturer
ASUS