As AMD continues to push the envelope of desktop computing with its latest AM5 platform, enthusiasts and professionals alike are exploring optimal motherboard options for their next-gen builds. If you’re specifically seeking an AM5 motherboard that includes a PCIe x1 slot—whether for expansion cards, capture cards, or specialized add-ons—making an informed choice is critical. This article will guide you through the process of selecting the best AM5 motherboard with PCIe x1 support, tailored to your usage, budget, and futureproofing needs.
Understanding the AM5 Platform
The AM5 socket, introduced with AMD’s Ryzen 7000 series, marks a significant shift from the previous AM4 architecture. AM5 supports DDR5 memory, PCIe 5.0 lanes, and a new power delivery design that is ideal for high-performance computing. For those who require PCIe x1 slots—for accessories like Wi-Fi cards, sound cards, or video capture devices—it’s important to ensure these are available in your chosen model, as not all motherboards include multiple form factors for PCIe expansion.
Key Considerations Before You Buy
Before jumping into specific recommendations, it’s helpful to evaluate certain elements of your build. Take into account the following factors:
- Expansion Requirements: Do you need one or multiple x1 PCIe slots? Consider what devices you’ll be adding.
- Form Factor: Are you building in a mid-tower, full-tower, or compact case? Choose Micro-ATX for tight spaces or ATX for maximum expansion.
- Power Delivery and VRMs: Especially important for overclocking or high-core-count CPUs like the Ryzen 9 7950X.
- Connectivity: Look for USB 4, 2.5G LAN, integrated Wi-Fi 6E, and storage options like M.2 PCIe 5.0 slots.
Recommended AM5 Motherboards with PCIe x1 Slots
Below are some of the top choices currently available in the market, based on build quality, features, and PCIe x1 availability:
- ASUS ROG Strix B650-A Gaming WiFi
This is a mid-to-high-end motherboard that offers excellent power delivery and robust I/O. It features one PCIe x1 slot and is ideal for gamers and content creators who want stability and performance. - MSI PRO B650M-P Micro-ATX
An affordable choice for more restrained builds, this Micro-ATX board includes a PCIe x1 slot and offers decent connectivity options without compromising reliability. - Gigabyte X670 AORUS Elite AX
Designed for high-end systems, this board includes excellent thermal design, strong VRM configuration, and one PCIe x1 slot along with PCIe 5.0 support for graphics and storage.

Why PCIe x1 Still Matters
With the conversation often centered around PCIe 4.0/5.0 x16 slots for GPUs or M.2 drives, it’s easy to overlook the continuing relevance of x1 slots. These smaller lanes are indispensable for niche cards that don’t require massive bandwidth but add essential functionality. Examples include:
- Capture cards for live streaming or video recording
- High-fidelity audio interfaces or dedicated sound cards
- Additional USB/Thunderbolt expansion cards
- Professional networking adapters
If your workflow or gaming setup includes any of these devices, overlooking the presence of a PCIe x1 slot could mean compromising on functionality.
Layout and Clearance Considerations
Even when a board includes a PCIe x1 slot, its actual usability can depend on your graphics card’s size. In many configurations, a bulky GPU installed in the x16 slot will overhang and render adjacent x1 slots inaccessible. Choosing a board like the ASUS ROG Strix or Gigabyte AORUS series, which offers smart layout planning, can make a big difference in maintaining access to multiple expansion lanes.

Futureproofing and BIOS Support
Another aspect not to be ignored is BIOS maturity. Since AM5 is still relatively new, buying from trusted manufacturers with a strong track record of BIOS updates ensures compatibility with future Ryzen CPU releases and additional PCIe peripheral support. ASUS, MSI, Gigabyte, and ASRock are regularly updating their firmware to support newer devices and features.
Final Thoughts
Choosing the best AM5 motherboard with a PCIe x1 slot may seem like a minor concern in the era of massive GPUs and lightning-fast NVMe storage. However, it remains a crucial decision for builders who value expansion, flexibility, and functionality. Whether you’re a content creator, gamer, or IT professional, selecting a board that includes the features you need—without overinvesting in extras you don’t—is the key to a successful and futureproof PC build.
Evaluate your hardware needs thoroughly, compare listed specifications carefully, and always cross-reference physical layouts. With the right approach, the AM5 platform can provide not just performance, but also the adaptability you need.