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be quiet! Pure Base 501 vs Montech Air 903 Max: Comparison
be quiet! Pure Base 501 and Montech Air 903 Max differ on included fans: be quiet! Pure Base 501 at 2, Montech Air 903 Max at Multiple pre-installed (more than Cooler Master TD500 Mesh), which puts Montech Air 903 Max ahead on that measure.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | be quiet! | Montech |
| Motherboard Support | ATX, Micro-ATX, Mini-ITX | ATX |
| Case Type | Mid-Tower | Mid-Tower |
| Model | Pure Base 501 | Air 903 Max |
| Panel Type | Steel side panel, solid front with sound-dampening mats | High-airflow mesh front |
| GPU Clearance | 368 mm-8% | 400 |
| Typical Price | 90 | 79 |
| Included Fans | 2 | Multiple pre-installed (more than Cooler Master TD500 Mesh) |
Price comparison
| Retailer | be quiet! Pure Base 501 | Montech Air 903 Max |
|---|---|---|
| be quiet! | View on be quiet! | |
| Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
be quiet! Pure Base 501
7.5 / 10 Expert Rating
A solid, unfussy silent case for people who want lower noise more than they want RGB or max airflow.
Montech Air 903 Max
8.5 / 10 Expert Rating
The clearest airflow-per-dollar win in the category, with flagship-friendly 400mm GPU clearance at around $79.




