AMD X870

Pros

• Standardized USB4 support (40Gbps) for high-speed external data transfer.
• Robust VRM designs on X870E models, providing stability for long-running simulations and professional workloads.
• Improved networking features on many models, including WiFi 7 and 5Gb/s Ethernet.
• Additional PCIe lanes available on X870E for multi-GPU setups or expanded storage.
• Guaranteed compatibility with future Zen 6 CPUs via BIOS updates.

Cons

• Significant price premium over B-series motherboards with no direct benefit to gaming performance.
• Lane-sharing trade-offs where using USB4 ports can result in disabling specific M.2 slots.
• Higher power draw compared to lower-tier chipsets.
• Features like USB4 are considered niche for desktop users who do not use high-speed external SSDs.

Caveats

• The 'future-proofing' benefit is limited as cheaper AM5 boards (B650/B850) will also support upcoming Zen 6 processors.
• Connectivity advantages are often only realized if you have specific high-bandwidth peripherals.

Best for

• Professional productivity tasks like AutoCAD and long-duration simulations.
• Machine Learning or LLM workloads requiring multiple graphics cards.
• Enthusiasts who want 'all out' features and the latest connectivity standards like WiFi 7.

Avoid if

• You are building a PC primarily for gaming.
• You are on a budget and can find a B650 or B850 motherboard for significantly less.
• You do not own or plan to use USB4/Thunderbolt devices.