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Micro Atx Cases

The micro ATX form factor is the most popular size for a PC, and it's easy to see why. Micro ATX cases are small enough to fit into tight spaces while still providing enough room for most components. If you're building a gaming PC or a workstation with multiple hard drives, you'll probably need a micro ATX case. Browse the top-ranked list of micro ATX cases below along with associated reviews and opinions.   

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  1. Thermaltake - View 170 TG ARGB Micro-ATX Mid-Tower PC Case - Black

    SKU: J39ZPC6C6F

    Product Description

    A black steel micro-ATX mid-tower case with tempered glass panels, ARGB lighting, and multiple fan mounts.
    See all Computer Cases
    Your price for this item is $54.99
    Save $5
    The previous price was $59.99

  2. Thermaltake - View 170 TG ARGB Micro-ATX Mid-Tower PC Case - Snow

    SKU: J39ZPC6CR3

    Product Description

    A snow-white steel micro-ATX case with tempered glass panels, ARGB lighting, and multiple fan mounts.
    See all Computer Cases
    Your price for this item is $54.99
    Save $5
    The previous price was $59.99

  3. Fractal Design - Core 1100, Black, Micro ATX, Mini Tower PC Case - Black

    SKU: J3L5HQRKJR

    Product Description

    A black mesh and steel micro ATX mini tower case with optimized airflow, dust filters, and expansion slots.
    See all Computer Cases
    Your price for this item is $49.99

  4. Thermaltake - The Tower 300 Micro ATX PC Case - Hydrangea Blue

    SKU: J39ZPC9ZZ2

    Product Description

    A hydrangea blue steel micro ATX case with octagon design, top fans, and excellent hardware expandability.
    See all Computer Cases
    Your price for this item is $145.99
    Save $4
    The previous price was $149.99

  5. Thermaltake - Versa H17 Micro ATX Mini Tower Case - Black

    SKU: J39ZPCGJTY

    Product Description

    A sleek black metal mini tower case with cable management, top I/O ports, and hidden drive bays.
    See all Computer Cases
    Your price for this item is $49.99

  6. NZXT - H3 Flow Micro-ATX High-Airflow PC Case - Black

    SKU: J3GWJHQ844

    Product Description

    A black metal micro-ATX case featuring high airflow mesh panels and versatile component compatibility.
    See all Computer Cases
    Your price for this item is $59.99
    Save $10
    The previous price was $69.99

  7. Thermaltake - The Tower 300 Micro ATX PC Case - Snow

    SKU: J39ZPC9ZTV

    Product Description

    A snow-white steel micro ATX case with octagon design, excellent hardware expandability, and top cooling support.
    See all Computer Cases
    Your price for this item is $149.99

  8. Thermaltake - The Tower 300 Micro ATX PC Case - Matcha Green

    SKU: J39ZPC9ZKX

    Product Description

    A matcha green steel micro ATX case with octagon design, GPU and radiator support, and top fans.
    See all Computer Cases
    Your price for this item is $149.99

  9. Thermaltake - The Tower 300 Micro ATX PC Case - Bumblebee Yellow

    SKU: J39ZPC9ZKS

    Product Description

    A vibrant bumblebee yellow steel micro ATX case with octagon design, top fans, and hardware expandability.
    See all Computer Cases
    Your price for this item is $149.99

  10. Thermaltake - The Tower 300 Micro ATX PC Case - Turquoise

    SKU: J39ZPC9ZW8

    Product Description

    A turquoise steel micro ATX case with octagon design, excellent airflow, and versatile fan support.
    See all Computer Cases
    Your price for this item is $149.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.