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Building a powerful gaming or workstation PC doesn’t have to break the bank. In 2026, there are numerous budget-friendly PC cases that offer excellent expansion options, ensuring your system can grow with your needs. Here are the top 10 PC cases under $150 that provide good expansion slots and features for your next build.
1. NZXT H510 Flow
The NZXT H510 Flow is renowned for its sleek design and excellent airflow. It offers seven expansion slots, making it suitable for multiple GPUs, sound cards, and storage drives. Its tempered glass side panel allows you to showcase your build.
2. Cooler Master MasterBox TD500 Mesh
This case combines affordability with high airflow thanks to its mesh front panel. It provides seven expansion slots, supporting extensive hardware configurations and multiple storage options.
3. Phanteks Eclipse P400A Digital
Offering excellent airflow and a clean aesthetic, the Phanteks Eclipse P400A Digital includes seven expansion slots and ample space for high-end components, making it a versatile choice for gamers and creators.
4. Fractal Design Meshify C
The Meshify C is known for its compact design and superior airflow. It features seven expansion slots, allowing for multiple GPUs and additional PCIe cards, perfect for high-performance builds.
5. Corsair 4000D Airflow
This case combines style and function, with a focus on airflow. It offers seven expansion slots and supports large GPUs, multiple storage drives, and extensive cooling options.
6. Lian Li PC-011 Dynamic
The Lian Li PC-011 Dynamic is a premium-looking case with excellent expandability. It provides nine expansion slots, making it ideal for multi-GPU setups and extensive hardware configurations.
7. Cooler Master MasterBox NR600
This minimalist case offers seven expansion slots and a spacious interior for easy building. Its mesh front panel ensures good airflow for high-performance components.
8. be quiet! Pure Base 500DX
The Pure Base 500DX combines quiet operation with excellent expandability. It features seven expansion slots and supports multiple cooling configurations for optimal performance.
9. Thermaltake V250 TG RGB
This case offers a sleek design with tempered glass panels and seven expansion slots. Its spacious interior allows for extensive hardware expansion and improved cooling.
10. SilverStone RL06
The SilverStone RL06 is a versatile case with good airflow and support for multiple expansion cards. It provides seven slots and a modular design for flexible builds.
Conclusion
Choosing the right PC case under $150 with good expansion slots is essential for building a future-proof system. The options listed above combine affordability, expandability, and quality, ensuring your build can grow and adapt over time.