Best Small Form Factor & Mini-ITX Gaming PC Builds for 2025

Best Small Form Factor & Mini-ITX Gaming PC Builds for 2025

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Small form factor (SFF) and Mini-ITX gaming PCs have become increasingly popular as gamers prioritize compact, portable setups without sacrificing cutting-edge performance. In 2025, it’s possible to build a powerful gaming rig in a case that’s one-fifth the size of a traditional tower. Whether you want a tiny beast for 1440p or a top-tier 4K powerhouse, here are some recommended builds and the best cases for your next compact gaming PC.

Ultra-Compact High-End Gaming Build (~$3,000)

This build delivers top-tier gaming performance, fitting even monster GPUs and premium cooling in only 11 liters of space. It’s easy to travel with and fits nearly anywhere. All core parts can be conveniently found with our Amazon affiliate link.
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Budget Mini-ITX Gaming Build (~$1,200)

This affordable SFF build achieves excellent 1080p and 1440p results. With clever case options, you’ll get impressive airflow and component flexibility. Shop all core components via our affiliate link.
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Best Mini-ITX Cases for 2025

  • Lian Li A4-H20: Premium ultra-compact case for extreme builds and great portability.
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  • Fractal Design Torrent Nano: Larger footprint for high airflow and easy assembly, supports big GPUs.
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  • Corsair 2000D RGB Airflow: Stylish, space-saving, excellent cooling and vertical GPU support.
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  • SilverStone Sugo 14: Value-focused SFF case for power and flexibility on a budget.
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  • Hyte Revolt 3: Sleek, portable, highly functional with room for premium parts.
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Tips for Successful SFF PC Building

  • Always confirm GPU and CPU cooler clearances for your case.
  • Choose an SFX power supply for tight builds.
  • Cable management and airflow are crucial in a small enclosure.
  • Plan your build for future upgrades—and find all parts easily using our Amazon affiliate link.

Conclusion

Mini-ITX and SFF builds are perfect for gamers seeking performance and portability in 2025. Whether you crave an extreme tiny powerhouse or a budget-friendly compact PC, you’ll find just the right parts and cases for your next build—browse selections with our Amazon affiliate link for quality, convenience, and support!