ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen™) Micro ATX Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
Bottom line: The ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen™) Micro ATX Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync) is a category leader on buyer feedback in the retro motherboards category, priced around $97.99, rated 4.7★ across 1,208 verified Amazon reviews. A confident buy for most shoppers in this category.
Powered by 3rd Gen AMD® Ryzen™ processors, the ASUS Prime B550M-A AC delivers next-generation speeds with PCIe 4.0, WiFi and 1Gb LAN. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the ASUS Prime B550M-A AC provides mainstream PC users and DIY PC builders with a perfect all-around foundation via intuitive software and firmware features.
SpecPicks Verdict
SpecPicks classifies ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen™) Micro ATX Motherboard… as a category leader on buyer feedback in the retro motherboards category, based on 1,208 verified Amazon reviews 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 retro 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
- ✓ Highly rated — 4.7★ average across customer reviews
- ✓ Large, well-vetted feedback pool (1,208 reviews)
- ✓ AMD AM4 Socket and PCIe 4.0: The perfect pairing for 3rd Gen AMD Ryzen CPUs
- ✓ 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 3rd Gen AMD Ryzen CPUs
- Ultrafast Connectivity: 1x PCIe 4.0 x16 SafeSlot, WiFi, 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), D-Sub & DVI
- Comprehensive Cooling: VRM heatsink, PCH 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 |
|---|---|
| Platform | Windows 10 |
| CPU Socket | Socket AM4 |
| Model Name | Prime |
| Chipset Type | AMD |
| Connectivity | USB, WiFi |
| Model Number | B550M-A AC |
| Item Type Name | Motherbaord |
| Mfr Part Number | PRIME B550M-A AC |
| Number of Ports | 4 |
| Total Usb Ports | 6 |
| Processor Socket | Socket AM4 |
| Total PCIe Ports | 3 |
| Total SATA Ports | 4 |
Ready to buy?
ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen™) Micro ATX Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 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 2026-06-06. Price and availability subject to change.
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