# ASUS Prime B550-PLUS AMD AM4 Zen 3 Ryzen 5000 & 3rd Gen Ryzen ATX Motherboard (PCIe 4.0, ECC Memory, 1Gb LAN, HDMI 2.1, DisPlayPort 1.2 (4K@60HZ), Addressable Gen 2 RGB Header and Aura Sync).

- Category: Motherboard
- Brand: ASUS
- Model: PRIME B550-PLUS
- Part number: PRIME B550-PLUS
- Price (US): $200.81
- Price last checked: 2026-08-06
- Rating: 4.6/5 from 447 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/motherboard/asus-prime-b550-plus/

## Specifications

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

## Key Features

- AMD AM4 Socket and PCIe 4. 0: The perfect pairing for Zen 3 Ryzen 5000 and 3rd Gen AMD Ryzen CPUs
- Ultrafast Connectivity: 1x PCIe4. 0 x16 SafeSlot, 1Gb LAN, dual M. 2 slots (NVMe SSD)—one with PCIe 4. 0 x4 connectivity, USB 3. 2 Gen 2 Type-A , HDMI 2. 1, 4K@60HZ, DisPlay port 1. 2 and Thunderbolt 3 header
- Comprehensive Cooling: VRM heatsink, chipset heatsink, hybrid fan headers and Fan Xpert 2 utility
- 5X Protection III: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O
- Boosted Memory Performance: ASUS OptiMem proprietary trace layout allows memory kits to operate at higher frequencies with lower voltages to maximize system performance.

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