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Cooler Master MasterBox Q300L Micro-ATX Tower with Magnetic Design Dust Filter, Transparent Acrylic Side Panel, Adjustable I/O & Fully Ventilated
AWG 113
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
22%
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The MasterBox Q300L is your straightforward option in the lineup of the brand new MasterBox Q-series from Cooler Master.
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What Stands Out
Product Details
- The MasterBox Q300L is your straightforward option in the lineup of the brand new MasterBox Q-series from Cooler Master. A series that might be small in size but excels in functionality and modularity without compromising on the thermal performance. Although the size wouldn’t tell, the MasterBox Q300L supports a standard ATX PSU which we don’t see often in the market with this size. Based on the different system setup, the I/O panel can be adjusted to six different locations, three options at each side of the case. You can decide which setup fits your system best. Due to the cube design of the frame and special pattern design on the magnetic dust filter will make the chassis stand out from the rest. The combination of a practical design and the unique customizable outlook makes the MasterBox Q300L the perfect choice for office and home usage.
| Computer case type | Mid Tower |
| Brand | Cooler Master |
| Size | Micro-ATX |
| Color | Gray |
| Features | Acrylic Panel |
| Material | Multi |
| Installed fan sizes | 119.89 mm |
| Compatible fan sizes | 119.89 mm |
| Model name | MCB-Q300L-KANN-S00 |
| Weight | 10.30 Ounces (292.01 grams) |
| Has written warranty | No |
| Accessories | CoolerMaster MasterBox Q300L Mini Tower Case CoolerMaster 2 Year Limited Warranty |
Who Should Buy?
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Budget Builders
Ideal for users assembling a cost-effective gaming or productivity PC without compromising on essential features.
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Compact Environments
Perfect for users with limited space looking for a micro-ATX case that maximizes airflow and design.
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DIY Enthusiasts
Great for users who enjoy customizing their setups and prefer easy access for upgrades and modifications.
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High-Performance Users
Not suitable for users requiring advanced cooling solutions or larger components typical in high-performance gaming setups.
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Storage Heavy Users
May not meet the needs of users requiring multiple drives due to limited space for additional Storage options.
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Aesthetic Focused Users
Less appealing for users wanting premium finishes or extensive RGB lighting features present in more expensive cases.
Product Description
Customer Questions & Answers
-
Question:
What is the size of the MasterBox Q300L?
Answer: The MasterBox Q300L is small in size. -
Question:
Does the MasterBox Q300L support a standard ATX PSU?
Answer: Yes, it supports a standard ATX PSU. -
Question:
Where can the I/O panel be adjusted?
Answer: The I/O panel can be adjusted to six different locations.
Cooler Master Cases & Towers Editorial Review
The case being reviewed is highly recommended by customers for its functionality, design, and price point. It is easy to assemble and has plenty of room to hide wires, making cable management a breeze. The case is also praised for its compatibility with RGB lighting and spinning fans, making it a great option for those who want to enhance their PC's aesthetics. One minor drawback mentioned by a customer is that the feet on the bottom of the case could be taller to provide better airflow. However, the customer notes that this issue can be easily fixed by making a DIY modification, which would only take a few minutes. The case is found to have ample space for storage, with room for one 3.5" HD and two 2.5" hard drives or SSDs. The 3.5" HD is conveniently placed on the back of the case. The transparent side panel can be moved to either side of the case, and both the top and front of the case are well-vented for proper airflow. The front panel also features a removable magnetic piece to keep dust out. Another point of praise is the case's ability to accommodate larger ATX power supplies, making it suitable for powering mid-level gaming machines. In terms of price, the case is highly regarded as being a great value for money, with a price point around $45 at the time of writing.
Customer Reviews & Ratings
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5 Star
76%
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4 Star
5%
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3 Star
0%
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2 Star
11%
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1 Star
5%
Review this product
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Pros
- Easy assembly
- Ample room for cable management
- Compatible with RGB lighting and spinning fans
- Versatile storage options
- Flexible side panel placement
- Well-vented for proper airflow
- Removable magnetic dust filter
- Accommodates larger ATX power supplies
- Excellent value for money
Cons
- Feet could be taller for better airflow Overall, the case receives positive customer feedback for its performance, design, and affordability, making it a highly recommended choice for PC enthusiasts.
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.
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AWG 113
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Features & Benefits
- Small in size but excels in functionality and modularity
- Supports standard ATX PSU
- Adjustable I/O panel with six different locations
- Cube design and special pattern on magnetic dust filter
- Perfect choice for office and home usage.


















