# ASUS Pro A520M-C II/CSM AMD AM4 (3rd Gen Ryzen™) microATX Commercial Motherboard

- Category: Motherboard
- Brand: ASUS
- Model: 90MB18F0-M0EAYC
- Part number: PRO A520M-C II-CSM
- Price (US): $114.64
- Price last checked: 2026-08-07
- Rating: 3.7/5 from 11 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/motherboard/asus-90mb18f0-m0eayc-pro-a520m-c-ii-csm/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | ASUS |
| Model | 90MB18F0-M0EAYC |
| Socket Type | AM4 |
| Chipset | AMD A520 |
| Form Factor | Micro ATX |
| Memory Type | 2 x DDR4 |
| Max Memory Support | 64 GB |

## Key Features

- AMD AM4 Socket: Ready for Ryzen 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Fast Connectivity: 1Gb LAN, 6x USB 3.2 Gen ports, HDMI 2.1, D-Sub, DP and DVI display outputs, COM and TPM header.
- ASUS-exclusive self-recovering BIOS technology for automatic system BIOS recovery from a verified backup
- Dedicated LPC header and debug card with LCD display for faster troubleshooting
- Supports SMBUS header that connects to a DASH LAN for remote IT management

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