If you want a single mental checklist when choosing AM4 for gaming vs workstation, think in layers:
Core hardware: VRM quality & cooling (stable power for high-core-count Ryzen; big difference under sustained loads) → prefer good heatsinks and a decent phase design.
Chipset: B550 for modern features + PCIe 4.0 for GPU/one NVMe; X570 if you need multiple PCIe4 M.2s or more lanes for expansion. B450 can be fine if you’re on a budget and don’t need PCIe4.
BIOS & CPU support: Look for boards with reliable BIOS updates and an easy BIOS Flashback/USB flash feature saves headaches when updating CPU microcodes or using newer CPUs.
Memory: How many DIMMs and max MHz supported (content creators often want 64–128GB support). Also check QVL for high-speed RAM if you plan to push frequency.
Storage & expansion: Number and type of M.2 slots (with heatsinks), SATA ports, and free PCIe slots for capture cards/accelerators.
I/O & networking: USB-C / front panel headers, plenty of USB ports, and at least 2.5Gb Ethernet + Wi-Fi6 if you need fast transfers for large files.
Form factor & power connectors: Full ATX for more lanes & cooling; mini-ITX or mATX if small build. Make sure the VRM has adequate CPU power connectors for overclocking.
Extras that matter: Good onboard audio, fan/pump headers with control, debug LED/Q code, reinforced GPU slot, and BIOS flashback/clear CMOS button.
Gaming vs Workstation quick rule: For gaming, prioritize GPU PCIe x16 stability, one fast NVMe, and decent VRM (mid-high tier B550 or X570). For content creation, favor X570 or high-end B550 with more M.2/SATA, better VRMs for sustained CPU loads, more RAM slots and IO.