# ASUS Prime B550M-A AMD B550 Socket AM4 Micro ATX DDR4-SDRAM Motherboard

- Category: Motherboard
- Brand: ASUS
- Model: PRIME B550M-A
- Part number: 90MB14I0-M0EAY0
- Price (US): $137.80
- Price last checked: 2026-08-07
- Rating: 4.5/5 from 369 Amazon reviews
- Warranty: 1 year
- Product page: https://buildmypc.net/component-details/motherboard/asus-prime-b550m-a-90mb14i0-m0eay0/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | ASUS |
| Model | PRIME B550M-A |
| Socket Type | AM4 |
| Chipset | AMD B550 |
| Form Factor | Micro ATX |
| Memory Type | 4 x DDR4 |
| Max Memory Support | 128 GB |

## Key Features

- Supports up to 128GB DDR4-SDRAM
- Micro ATX form factor
- Ports: 2 x USB3.2 Gen 2 Type-A, 1 x LAN RJ-45, 1 x HDMI, 4 x USB3.2 Gen 1 Type-A
- Chipset: AMD B550
- Backed by a 3 years manufacturers warranty

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