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Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
The Master Box Q300L is the perfect choice for office and home, excelling in functionality, modularity, and thermal performance.
Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
Item #: 88552758

Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated

Item #: 88552758

BND 81

BND 90

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

10%

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The Master Box Q300L is the perfect choice for office and home, excelling in functionality, modularity, and thermal performance.
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What Stands Out

Magnetic Dust Filter
The magnetic dust filter provides easy cleaning and maintenance, ensuring optimal airflow while protecting components from dust buildup, enhancing system longevity and performance.
Transparent Side Panel
The transparent acrylic side panel showcases internal components with an aesthetic appeal, allowing users to exhibit their builds creatively and enjoy a visually striking setup.
Adjustable I/O Ports
Adjustable I/O ports provide flexibility in setup, accommodating various user preferences for access while maintaining a clean and organized workspace.

Product Details

Shop Cooler Master MasterBox Q300L Micro-ATX PC Case Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black online at a best price in Brunei. B0DGDJHB6T
  • Ample Interior: Explore ample interior space for Micro-ATX or Mini-ITX motherboards, ensuring easy and future expansion
  • Components Clearance: Accommodates CPU coolers with a max height of 159mm, GPU cards up to 360mm, and PSU up to 160mm in length.
  • Versatile Cooling: Maximize cooling performance with a 240mm liquid cooler and 5 fans.
  • Modular I/O Panel: You have the flexibility to adjust its position at the front, top, or bottom on both sides
  • Edge-To-Edge Panel: Show off your meticulous build through the transparent side panel with pride.
  • Open Thermal Design: The perforated design on all sides promotes optimal airflow and heat dissipation
  • Magnetic Dust Filters: The unique pattern of the dust filter adds a distinctive appearance to the case.
Supported MotherboardMicro-ATX and Mini-ITX
Case TypeMini-Tower
Power Supply Mounting TypeBottom Mount
Cooling MethodAir
Total Expansion Slots Quantity4
Total USB 3.0 Ports2
Total Usb Ports2
Other Special Features of the ProductAccomodates CPU Coolers, Adjustable, Dust Filter, Edge-To-Edge Panel, Fully Ventilated
Hard Disk Form Factor3.5 Inches (8.9 cm)
Internal Bays Quantity1
Compatible DevicesMicro-ATX and Mini-ITX motherboards, Cooler Master devices
Number of Fans3
Power Supply Maximum Output500 Watts
ColorBlack
Enclosure MaterialAlloy Steel, Plastic
Item Weight480 Grams
Item Dimensions D x W x H15.39"D x 9.06"W x 15"H (39.1 x 23 x 38.1 cm)
BrandCooler Master
Model NameQ300L
ManufacturerCooler Master
UPC884102095313 884102038006
Global Trade Identification Number00884102038006, 00884102095313, 04719512065488
Mfr Part NumberMCB-Q300L-KANN-S00
Model NumberMCB-Q300L-KANN-S00
Built-In Media1 computer case
Item Type Namegrocery
Antenna LocationGaming
Motherboard CompatabilityMicro-ATX and Mini-ITX
Recommended Uses For ProductGaming
MaterialAlloy Steel, Plastic

What's in the box

1 computer case

Who Should Buy?

Suitable For
  • Budget Builders

    Ideal for users looking for an affordable case that provides good airflow and basic functionality for building PCs.

  • Compact Spaces

    Great for those with limited desk space, as the micro-ATX design fits well in smaller environments.

  • First-Time Users

    Perfect for beginners due to its easy installation and user-friendly features, making building a PC simpler.

Not Suitable For
  • High-Performance Gamers

    May not accommodate larger GPUs or provide sufficient cooling for high-performance components in intense gaming setups.

  • Heavy Overclockers

    Lacks advanced cooling solutions required for overclocking, which may lead to thermal issues in demanding situations.

  • Aesthetic Perfectionists

    The acrylic panel may not appeal to users seeking premium materials or unique design elements for their builds.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the dimensions of the Cooler Master MasterBox Q300L PC case?

    Answer: The Cooler Master MasterBox Q300L has dimensions of 345mm in height, 230mm in width, and 509mm in depth. This compact design makes it suitable for Micro-ATX and Mini-ITX builds while providing ample interior space for components. The smaller footprint is perfect for users who are limited on space or prefer a minimalist setup, ensuring that you can easily position it under desks or on shelves without sacrificing functionality.
  • Question: What type of cooling options are available with the Cooler Master MasterBox Q300L?

    Answer: The Q300L features a perforated front panel which enhances airflow and cooling efficiency. It supports up to six fans, including configurations for both intake and exhaust, providing excellent thermal management. Additionally, you can install radiators for liquid cooling solutions, making this case versatile for gamers and professionals who require superior cooling performance during intensive tasks.
  • Question: Can I install custom RGB lighting in the Cooler Master MasterBox Q300L?

    Answer: Yes, the Cooler Master MasterBox Q300L supports RGB lighting setups with compatible components. While the case itself does not come with built-in RGB lighting, users can add RGB fans and components to personalize their system. It enhances both aesthetic appeal and ambiance, making it a great choice for gamers and streamers who want a visually striking setup that reflects their style.
  • Question: What are the cable management options in the Cooler Master MasterBox Q300L?

    Answer: The Q300L offers ample cable management options with multiple cutouts and tie-down points located throughout the interior. This allows you to keep your builds tidy and organized, leading to improved airflow and a clean aesthetic. Proper cable management is essential for maintaining the performance of your components, and this case's design facilitates an easy setup for both novices and experienced builders.
  • Question: Does the Cooler Master MasterBox Q300L support additional storage drives?

    Answer: Yes, the Cooler Master MasterBox Q300L can accommodate up to four storage drives, supporting both 3.5-inch and 2.5-inch SSDs. This flexibility ensures that you can set up your system based on your storage needs, whether it’s for an extensive library of games, multimedia projects, or general usage. The easy access to drive bays enhances the user experience when installing or upgrading storage devices.
  • Question: How does the magnetic dust filter in the Cooler Master MasterBox Q300L work?

    Answer: The magnetic dust filter in the Q300L attaches securely to the case and effectively traps dust particles, ensuring that your components remain clean and function optimally. This feature is particularly beneficial for maintaining clear airflow paths and helps prolong the lifespan of internal components. For users in dusty environments, regular maintenance may involve simply removing and cleaning the filter, making upkeep straightforward.
  • Question: Is the IO panel on the Cooler Master MasterBox Q300L adjustable?

    Answer: Yes, the IO panel of the Cooler Master MasterBox Q300L is modular and adjustable, allowing you to customize its position according to your preferences. This feature is especially useful in cases where desk space may vary or when connecting multiple devices. Users can switch the panel to accommodate unique setups without hindrance, providing greater flexibility in the arrangement of peripherals.
  • Question: What type of GPU and CPU coolers can I install in the Cooler Master MasterBox Q300L?

    Answer: The Cooler Master MasterBox Q300L supports graphics cards up to 360mm in length and CPU coolers up to 157mm in height. This spacious design accommodates a variety of high-performance components, allowing you to build powerful gaming or workstation systems. Whether you're opting for a high-end air cooler or a multi-fan GPU, this case can cater to your demanding performance needs.
  • Question: Is the Cooler Master MasterBox Q300L suitable for beginner builders?

    Answer: Absolutely! The Cooler Master MasterBox Q300L is designed with beginners in mind, featuring clear instructional guides and an intuitive design. Its compact form factor and straightforward layout simplify the building process, making it easier for new users to install components and manage cables. This makes the case an excellent choice for first-time builders looking for a reliable and user-friendly option.
  • Question: Where can I buy the Cooler Master MasterBox Q300L in Brunei?

    Answer: You can purchase the Cooler Master MasterBox Q300L at Ubuy in Brunei. Ubuy is a trusted online retailer that offers a variety of computer cases and components, ensuring that you can find exactly what you need for your build. With user-friendly navigation and reliable service, Ubuy makes it convenient to purchase this compact and efficient case.

CoolerMaster Computer Cases MCB-Q300L-KANN-S00 Editorial Review

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**** The case in question has garnered a generally positive reception from customers, particularly highlighting its spacious interior and efficient airflow. Users appreciate the thoughtful inclusion of dust filters, which is a notable feature at this low price point. Many reviews commend the case for offering excellent value, often comparing it favorably to more expensive models, suggesting that it competes well with cases priced at $75. Installation is seen as mostly straightforward; however, some users have pointed out a few design quirks that might complicate the process slightly. Despite these minor concerns, many customers have found assembly and cable management to be quite manageable, even for those new to PC building. The quiet operation of the rear fan has also been positively noted, adding to the overall user satisfaction. On the downside, there are reports of underwhelming thermals, especially for users with high-performance 30 series components. This has led some to regret their choice of this case when prioritizing cooling efficiency. However, these instances appear to be more exceptions than the rule. Overall, this case is well-received as a budget-friendly option for both novice builders and seasoned enthusiasts, especially those looking for a lightweight and functional design. **

Customer Reviews & Ratings

4.5
13903 customers ratings
  • 5 Star
    71%
  • 4 Star
    17%
  • 3 Star
    7%
  • 2 Star
    2%
  • 1 Star
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Pros

  • Ample room for components
  • Good airflow with included dust filters
  • Excellent value for the price
  • Features typically found in more expensive cases
  • Easy cable management
  • Quiet rear fan

Cons

  • Some unconventional design choices can complicate installation

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.