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Cooler Master MasterBox Q300L

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PC Case - mini tower, micro-ATX, Mini-ITX, 1x 3.25", 2x 2.5", 2x USB 3.0, 120mm fan, no power supply, black
Price incl. VAT £42.90
Price excl. VAT £35.75
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Warranty 24 months Code:  CC022a4b Product Number:  MCB-Q300L-KANN-S00
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Cooler Master MasterBox Q300L £42.90 Not available
Rated by 6 users
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100+ Customers Purchased
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98% Reliability - very reliable product with low level of warranty claims
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Cooler Master MasterBox Q300L

Do you want to build a dream gaming or multimedia machine and would like a visually appealing design? In that case, the beautifully designed MasterBox Q300L PC case manufactured by Cooler Master is a great choice for you.

Key Features of the Cooler Master MasterBox Q300L?

  • A high-quality stylish PC case
  • Ideal for mATX and miniITX formats
  • Despite its compact dimensions, it can hold a classic ATX power supply
  • Transparent sidewalls
  • 28mm-wide space for hiding cables
  • A wide choice of fans and coolers
  • A modular I/O panel that can be placed in up to 6 positions

Cooler Master MasterBox Q300L - a Pro at a Reasonable Price

The case is well made and very rugged. It features a transparent sidewall, so you can appreciate the internal components. The case can hold MATX or mini ITX motherboards. In addition, it has a 28mm-wide space behind the motherboard, where you can hide all cables. With a perforated top panel, an optimised airflow is achieved to provide the most efficient cooling of all components. The modular I/O panel can be placed in up to 6 positions, according to your needs. The case is equipped with a headphone jack, a microphone connector and 2 high-speed USB 3.0 ports. Of course, it also features slots with enough room for even larger graphics cards that are up to 360mm long and it can also hold a processor heatsink up to 157mm high.

Powerful and Quiet Cooling

The MasterBox Q300L case is ready to cool even the most powerful hardware, as there is enough room for fans and radiators. Of course, it also supports water cooling and is ready for you to install radiators. Additionally, the case has a good-quality, design-patterned filter that prevents damage from dust and dirt.

Mini Tower Done!
Black Done!
Motherboard form factor
mATX (Micro ATX), mITX (Mini ITX) Done!
Number of internal 3.5" slots
Number of internal 2.5" slots
Internal structure
Position of power sources
Dole Done!
Additional equipment
Dust filters, Supporting SSD (2.5") Done!
External structure
Front panel location
From the side Done!
Front panel connectors
USB 3.0 (3.1 gen1), Headphones, Microphone Done!
Transparent Done!
Additional equipment
Supporting water cooling Done!
Power supply
Without power supply Done!
Cooling system
Front fan size
140 × 140 mm Done!
Rear fan size
120 × 120 mm Done!
Number of fan positions
Number of mounted ventilators
Wardrobe material
Steel Done!
230 mm (23 cm) Done!
378 mm (37.8 cm) Done!
387 mm (38.7 cm) Done!
3.7 kg Done!
More Specifications

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Specifications can be changed without notice. Images are for illustrative purposes only. Retail Price (MSRP) means the manufacturer's/supplier's suggested retail price.

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