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Best Buy customers often prefer the following products when searching for 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. CORSAIR - AIRFLOW 7000D ATX/Mini ITX/Micro ATX/EATX Full-tower Case - Black - Front_Zoom
    Top comment

    "Fantastic Full Tower ATX Case...This case is awesome! It is big and plenty of room to put whatever you can stuff inside. ...This case is very nice, fits for E-ATX Motherboard. Heavy and Strong."

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    Product Description

    The CORSAIR 7000D AIRFLOW is a full-tower ATX case for the most ambitious builds, with an airflow-optimized steel front panel for maximum air intake and three included 140mm AirGuide fans. CORSAIR RapidRoute cable management easily keeps your cables hidden from sight, while a massive interior enables a multitude of cooling options, including room for up to three simultaneous 360mm radiators.
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    Top comment

    "Fantastic Full Tower ATX Case...This case is awesome! It is big and plenty of room to put whatever you can stuff inside. ...This case is very nice, fits for E-ATX Motherboard. Heavy and Strong."

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    Product Description

    The CORSAIR 7000D AIRFLOW is a full-tower ATX case for the most ambitious builds, with an airflow-optimized steel front panel for maximum air intake and three included 140mm AirGuide fans. CORSAIR RapidRoute cable management easily keeps your cables hidden from sight, while a massive interior enables a multitude of cooling options, including room for up to three simultaneous 360mm radiators.
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    See all Computer Cases
  2. CORSAIR - iCUE 7000X RGB ATX/Mini ITX/Micro ATX/EATX Full-tower Case - Black - Front_Zoom
    Top comment

    "Best rgb corsair case...Awesome Case for a worry free build. Full atx is the way to go for every build. ...This case is an absolute monster and more that enough space for an e-atx mobo combo’d with the rtx 4 series monster."

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    Product Description

    The CORSAIR iCUE 7000X RGB full-tower ATX case puts your build on display behind three tempered glass panels. CORSAIR RapidRoute cable management easily keeps your cables hidden from sight, while a massive interior enables a multitude of cooling options, including room for up to three simultaneous 360mm radiators. Four included CORSAIR SP140 RGB ELITE fans deliver amazing lighting and concentrated airflow.
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    Top comment

    "Best rgb corsair case...Awesome Case for a worry free build. Full atx is the way to go for every build. ...This case is an absolute monster and more that enough space for an e-atx mobo combo’d with the rtx 4 series monster."

    See all customer reviews

    Product Description

    The CORSAIR iCUE 7000X RGB full-tower ATX case puts your build on display behind three tempered glass panels. CORSAIR RapidRoute cable management easily keeps your cables hidden from sight, while a massive interior enables a multitude of cooling options, including room for up to three simultaneous 360mm radiators. Four included CORSAIR SP140 RGB ELITE fans deliver amazing lighting and concentrated airflow.
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    See all Computer Cases
  3. CORSAIR - 2500X Micro ATX Mid-Tower Dual Chamber SFF Case - Black - Front_Zoom

    Product Description

    The CORSAIR 2500X Micro ATX Dual Chamber PC Case provides a clean and organized view of your SFF PC through dual tempered glass front panels. Enjoy a clutter-free look with a dedicated chamber for cables, hard drives and controllers. The 2500X’s small size hides plenty of options for your cooling setup, with room for up to 9x 120mm or 4x 140mm fans and versatile radiator mounting positions in the roof, bottom, and side. Compatibility with reverse connection motherboards gives you a cable-free view of your system. Easy tool-free drive mounts accommodate up to 2x 3.5in or 2x 2.5in storage drives, while a modern front panel I/O including USB 3.2 Gen-2 Type-C offers convenient device access. Built for simplicity and offering a range of customization options, the 2500X ensures your SFF PC looks and performs at its best.
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    Product Description

    The CORSAIR 2500X Micro ATX Dual Chamber PC Case provides a clean and organized view of your SFF PC through dual tempered glass front panels. Enjoy a clutter-free look with a dedicated chamber for cables, hard drives and controllers. The 2500X’s small size hides plenty of options for your cooling setup, with room for up to 9x 120mm or 4x 140mm fans and versatile radiator mounting positions in the roof, bottom, and side. Compatibility with reverse connection motherboards gives you a cable-free view of your system. Easy tool-free drive mounts accommodate up to 2x 3.5in or 2x 2.5in storage drives, while a modern front panel I/O including USB 3.2 Gen-2 Type-C offers convenient device access. Built for simplicity and offering a range of customization options, the 2500X ensures your SFF PC looks and performs at its best.
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    See all Computer Cases
  4. CORSAIR - 2500X Micro ATX Mid-Tower Dual Chamber SFF Case - White - Front_Zoom

    Product Description

    The CORSAIR 2500X Micro ATX Dual Chamber PC Case provides a clean and organized view of your SFF PC through dual tempered glass front panels. Enjoy a clutter-free look with a dedicated chamber for cables, hard drives and controllers. The 2500X’s small size hides plenty of options for your cooling setup, with room for up to 9x 120mm or 4x 140mm fans and versatile radiator mounting positions in the roof, bottom, and side. Compatibility with reverse connection motherboards gives you a cable-free view of your system. Easy tool-free drive mounts accommodate up to 2x 3.5in or 2x 2.5in storage drives, while a modern front panel I/O including USB 3.2 Gen-2 Type-C offers convenient device access. Built for simplicity and offering a range of customization options, the 2500X ensures your SFF PC looks and performs at its best.
    See all Computer Cases

    Product Description

    The CORSAIR 2500X Micro ATX Dual Chamber PC Case provides a clean and organized view of your SFF PC through dual tempered glass front panels. Enjoy a clutter-free look with a dedicated chamber for cables, hard drives and controllers. The 2500X’s small size hides plenty of options for your cooling setup, with room for up to 9x 120mm or 4x 140mm fans and versatile radiator mounting positions in the roof, bottom, and side. Compatibility with reverse connection motherboards gives you a cable-free view of your system. Easy tool-free drive mounts accommodate up to 2x 3.5in or 2x 2.5in storage drives, while a modern front panel I/O including USB 3.2 Gen-2 Type-C offers convenient device access. Built for simplicity and offering a range of customization options, the 2500X ensures your SFF PC looks and performs at its best.
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    See all Computer Cases
  5. Cooler Master - MasterBox TD500 Mini ITX/Micro ATX/ATX/SSI CEB/EATX Mid-tower Case - White - Front_Zoom
    Top comment

    "Was a really good tower and has multiple motherboard form factors meaning you dont really have to change the case if you want to upgrade from a micro-atx to a full atx , only down side really is with the cooling system, not really allowing for water cooling but mainly for air cooling"

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    Product Description

    Masterbox TD500 Mesh V2. Exquisitely ruthless. MasterBox TD500 Mesh V2's iconic polygonal design keeps your system looking unique and your gaming sessions streamlined and is capable of simultaneously providing high airflow and dust filtration. Pre-installed CF120 ARGB fans provide ample airflow, ensuring low temperatures, high performance, and eye-catching aesthetics during even the most intense gaming sessions. USB 3.2 support allows multi-purpose, streamlined data transmission and the removable top panel provides improved access during assembly and ease of mounting cooling solutions.
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    Top comment

    "Was a really good tower and has multiple motherboard form factors meaning you dont really have to change the case if you want to upgrade from a micro-atx to a full atx , only down side really is with the cooling system, not really allowing for water cooling but mainly for air cooling"

    See all customer reviews

    Product Description

    Masterbox TD500 Mesh V2. Exquisitely ruthless. MasterBox TD500 Mesh V2's iconic polygonal design keeps your system looking unique and your gaming sessions streamlined and is capable of simultaneously providing high airflow and dust filtration. Pre-installed CF120 ARGB fans provide ample airflow, ensuring low temperatures, high performance, and eye-catching aesthetics during even the most intense gaming sessions. USB 3.2 support allows multi-purpose, streamlined data transmission and the removable top panel provides improved access during assembly and ease of mounting cooling solutions.
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    See all Computer Cases
  6. Thermaltake - The Tower 300 Micro ATX Case - Matcha Green - Front_Zoom

    Product Description

    As a new member of the Tower series, The Tower 300 shares the same silhouette with its predecessors, offering full display to the system components. The most obvious appearance between its families is the octagon design. You can fit 4090 GPU and a 420mm radiator in The Tower 300, keeping the motion high and the temperature low. Besides two preinstalled top fans, you can also install two 120/140mm behind the motherboard or one 120/140mm fan on top of the power cover or three 120/140mm fans at the right side fan bracket. It provides excellent hardware expandability to accommodates latest PC hardware without compensating the building experience.
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    Product Description

    As a new member of the Tower series, The Tower 300 shares the same silhouette with its predecessors, offering full display to the system components. The most obvious appearance between its families is the octagon design. You can fit 4090 GPU and a 420mm radiator in The Tower 300, keeping the motion high and the temperature low. Besides two preinstalled top fans, you can also install two 120/140mm behind the motherboard or one 120/140mm fan on top of the power cover or three 120/140mm fans at the right side fan bracket. It provides excellent hardware expandability to accommodates latest PC hardware without compensating the building experience.
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    See all Computer Cases
  7. Thermaltake - The Tower 300 Micro ATX Case - Snow - Front_Zoom

    Model: CA-1Y4-00S6WN-00
    SKU: 6577424

    Product Description

    As a new member of the Tower series, The Tower 300 shares the same silhouette with its predecessors, offering full display to the system components. The most obvious appearance between its families is the octagon design. You can fit 4090 GPU and a 420mm radiator in The Tower 300, keeping the motion high and the temperature low. Besides two preinstalled top fans, you can also install two 120/140mm behind the motherboard or one 120/140mm fan on top of the power cover or three 120/140mm fans at the right side fan bracket. It provides excellent hardware expandability to accommodates latest PC hardware without compensating the building experience.
    See all Computer Cases

    Product Description

    As a new member of the Tower series, The Tower 300 shares the same silhouette with its predecessors, offering full display to the system components. The most obvious appearance between its families is the octagon design. You can fit 4090 GPU and a 420mm radiator in The Tower 300, keeping the motion high and the temperature low. Besides two preinstalled top fans, you can also install two 120/140mm behind the motherboard or one 120/140mm fan on top of the power cover or three 120/140mm fans at the right side fan bracket. It provides excellent hardware expandability to accommodates latest PC hardware without compensating the building experience.
    See all Computer Cases
    See all Computer Cases
  8. Thermaltake - The Tower 300 Micro ATX Case - Black - Front_Zoom

    Model: CA-1Y4-00S1WN-00
    SKU: 6577421
    Top comment

    "I got this case to upgrade my current case. Easy to work with. "

    See all customer reviews

    Product Description

    As a new member of the Tower series, The Tower 300 shares the same silhouette with its predecessors, offering full display to the system components. The most obvious appearance between its families is the octagon design. You can fit 4090 GPU and a 420mm radiator in The Tower 300, keeping the motion high and the temperature low. Besides two preinstalled top fans, you can also install two 120/140mm behind the motherboard or one 120/140mm fan on top of the power cover or three 120/140mm fans at the right side fan bracket. It provides excellent hardware expandability to accommodates latest PC hardware without compensating the building experience.
    See all Computer Cases
    Top comment

    "I got this case to upgrade my current case. Easy to work with. "

    See all customer reviews

    Product Description

    As a new member of the Tower series, The Tower 300 shares the same silhouette with its predecessors, offering full display to the system components. The most obvious appearance between its families is the octagon design. You can fit 4090 GPU and a 420mm radiator in The Tower 300, keeping the motion high and the temperature low. Besides two preinstalled top fans, you can also install two 120/140mm behind the motherboard or one 120/140mm fan on top of the power cover or three 120/140mm fans at the right side fan bracket. It provides excellent hardware expandability to accommodates latest PC hardware without compensating the building experience.
    See all Computer Cases
    See all Computer Cases
  9. Thermaltake - The Tower 500 Mid Tower Case - Black - Front_Zoom
    Top comment

    "Awsome Sauce Case...This case is a god sent among cases, if you wanna stand out get it!...Definitely a 5 star case, second Thermaltake case I've bought. Wasn't to sure about how the cabling connected to the mother bd at first but checked further plus called Thermaltake. "

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    Product Description

    The Tower 500 is a vertically designed case with three 4mm tempered glass panels for panoramic viewing, along with two pre-installed 120mm standard fans. This chassis supports up to 12'' x 12'' E-ATX motherboards giving you comprehensive flexibility for enhanced expansion options. It can also be paired with a separately sold LCD panel kit with a 3.9'' LCD Display for maximizing the PC's visual effects.
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    Top comment

    "Awsome Sauce Case...This case is a god sent among cases, if you wanna stand out get it!...Definitely a 5 star case, second Thermaltake case I've bought. Wasn't to sure about how the cabling connected to the mother bd at first but checked further plus called Thermaltake. "

    See all customer reviews

    Product Description

    The Tower 500 is a vertically designed case with three 4mm tempered glass panels for panoramic viewing, along with two pre-installed 120mm standard fans. This chassis supports up to 12'' x 12'' E-ATX motherboards giving you comprehensive flexibility for enhanced expansion options. It can also be paired with a separately sold LCD panel kit with a 3.9'' LCD Display for maximizing the PC's visual effects.
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    See all Computer Cases
  10. CORSAIR - iCUE 4000D RGB AIRFLOW ATX Mid-Tower Case - Black - Front_Zoom
    Top comment

    "Solid Case...Decent room for my ATX motherboard, and aesthetically pleasing RGB fan lights....It is pretty quiet as well, and is a great case for those with pc noise problems. The case provides ample space on the inside as well (depending on your motherboard/ATX size) it can fit Mini-ITX, micro-ATX, ATX, and E-ATX motherboard sizes. "

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    Product Description

    The CORSAIR 4000D RGB AIRFLOW is a mid-tower ATX case with high-airflow design and exceptional cooling. A steel front panel and three included CORSAIR AF120 RGB ELITE fans with AirGuide technology provide maximum airflow through the case. With two additional 120mm fan mounts on the PSU shroud, you can finally cool your full-size graphics card sufficiently. Control RGB on up to six PC fans with the included Lighting Node PRO controller and powerful CORSAIR iCUE software. Build your next PC with ample space for radiators in sizes up to 360mm and four storage drives. Complete with a modern front I/O panel, the 4000D RGB AIRFLOW case is ready to keep your next amazing build cool.
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    Top comment

    "Solid Case...Decent room for my ATX motherboard, and aesthetically pleasing RGB fan lights....It is pretty quiet as well, and is a great case for those with pc noise problems. The case provides ample space on the inside as well (depending on your motherboard/ATX size) it can fit Mini-ITX, micro-ATX, ATX, and E-ATX motherboard sizes. "

    See all customer reviews

    Product Description

    The CORSAIR 4000D RGB AIRFLOW is a mid-tower ATX case with high-airflow design and exceptional cooling. A steel front panel and three included CORSAIR AF120 RGB ELITE fans with AirGuide technology provide maximum airflow through the case. With two additional 120mm fan mounts on the PSU shroud, you can finally cool your full-size graphics card sufficiently. Control RGB on up to six PC fans with the included Lighting Node PRO controller and powerful CORSAIR iCUE software. Build your next PC with ample space for radiators in sizes up to 360mm and four storage drives. Complete with a modern front I/O panel, the 4000D RGB AIRFLOW case is ready to keep your next amazing build cool.
    See all Computer Cases
    See all Computer Cases
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