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).
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The 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). is a niche pick — read recent reviews before buying in the motherboards category, priced around $230.00. Read recent reviews carefully before committing.
Powered by 3rd Gen AMD Ryzen processors, the ASUS Prime B550-PLUS delivers next-generation speeds with PCIe 4. 0 and 1Gb LAN. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the ASUS Prime B550-PLUS provides mainstream users and DIY PC builders with a perfect all-around foundation via intuitive software and firmware features. Free 3-months Adobe Creative Cloud Subscription: Receive complimentary access with the purchase of this product (offer valid from 9/15/2021 to 9/15/2022) visit…
SpecPicks Verdict
SpecPicks classifies ASUS Prime B550-PLUS AMD AM4 Zen 3 Ryzen 5000 & 3rd Gen Ryzen ATX… as a niche pick — read recent reviews before buying in the motherboards category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- AMD AM4 Socket and PCIe 4. 0: The perfect pairing for Zen 3 Ryzen 5000 & 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.
Full Specifications
| Brand | ASUS |
|---|---|
| USB 2.0 | 2 |
| Platform | Windows 10 |
| CPU Model | 1.2GHz Cortex A8 Processor |
| CPU Socket | Socket AM4 |
| Model Name | PRIME B550-PLUS |
| Chipset Type | AMD B550 |
| Connectivity | USB |
| Model Number | PRIME B550-PLUS |
| Item Type Name | 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) |
| Mfr Part Number | PRIME B550-PLUS |
| Number of Ports | 4 |
| Total Usb Ports | 14 |
| Processor Socket | Socket AM4 |
Ready to buy?
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). is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related Motherboards
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- How to Build a Windows 98 Retro PC in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
More reviews from the SpecPicks archive
Browse all reviews →- Grok 4.3 vs GPT-5 vs Claude 4.7: Local Hardware Implications of the Closed-Model Intelligence Index
- Why Nvidia Killed 3dfx — and How Voodoo Still Shapes Every GPU Launch
- Enthusiast Hides Gaming PC Inside Living Room Fan
- Ryzen 5 5600G vs Ryzen 7 5700X for Budget 1080p Gaming
- Best Retro-PC Storage & Drive-Imaging Kit in 2026: 5 Picks
- Revive an Old Payphone with a Raspberry Pi Zero 2W
- Local Image Generation AI in 2026: AMD Hardware Performance & Setup Guide
- Sound Blaster Audigy 2 ZS vs Aureal Vortex 2: The Last Great Win98 Audio Battle
- Best PS4 & PS5 Controllers for PC Gaming in 2026
- Ryzen 7 5800X vs 5700X for Streaming and Gaming in 2026
- Best Budget PC Gaming Peripherals and Desk Setup in 2026
- Best Budget Ryzen Gaming PC Build for 1080p in 2026
- Grok 4.5 at $0.31 a Task: When Cheap Cloud Beats a Local Build
- Best Controller for Fighting Games on PC in 2026
- Best Budget SATA SSD for a Steam Game Library in 2026
- Best CPU cooler for the Ryzen 7 5800X in 2026
- Bridging Retro Audio: Sound Blaster Legacy to a Modern Sound BlasterX G6
- Reve 2.0 Debuts at #2: Can You Run Competitive Image Models on an RTX 3060 12GB?
- Local LLMs on the Ryzen 5 5600G: llama.cpp CPU Inference Numbers
- Running Qwen3.6 35B A3B at 80 tok/s on a 12GB GPU: The MTP Setup Guide
- CompactFlash and IDE-to-USB Adapters for Retro PC Builds in 2026
- GameSir G7 SE vs DualSense for PC Gaming in 2026
- Best 4K Monitor for PS5 and PC Under $500: KOORUI QD-Mini LED vs Samsung Odyssey
- Proprietary Models See Your Business: The Case for a Local Ryzen + RTX 3060 Rig