# ASRock AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard Model B550M Phantom Gaming 4

- Category: Motherboard
- Brand: ASRock
- Model: B550M Phantom Gaming 4
- Part number: 90-MXBE90-A0UAYZ
- Price (US): currently unavailable
- Price last checked: 2026-08-07
- Rating: 4.1/5 from 31 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/motherboard/asrock-b550m-phantom-gaming-4-90-mxbe90-a0uayz/

## Specifications

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

## Key Features

- Supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
- 8 Power Phase Design, Digi Power
- Supports DDR4 4733+ (OC)
- 1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16, 1 x PCIe 3.0 x1
- Supports AMD CrossFireX

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