# B850 vs X870E for 9950X3D

> Compare B850 and X870E for Ryzen 9 9950X3D based on PCIe expansion, USB4, M.2 devices, networking and creator I/O.

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## Primary source
- [B850 vs X870E for Ryzen 9 9950X3D: Which Board Tier?](https://cloudzat.com/b850-vs-x870e-for-9950x3d/index.md): Clean Markdown version of the full buyer guidance.

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