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Computer Cases · Community picks

Cooler Master Q300L V1 Micro-ATX PC Case

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About this product

Cooler Master
Full listing name

Cooler Master Q300L V1 Micro-ATX PC Case, High Airflow, Transparent Panel

Functional steel towers for value builds below $70.

The Cooler Master Q300L V1 is a Mini-Tower PC case supporting Micro-ATX and Mini-ITX motherboards. It offers a transparent side panel, a modular I/O panel adjustable to multiple positions, and magnetic dust filters. The case accommodates CPU coolers up to 159mm, GPUs up to 360mm, and PSUs up to 160mm, with support for a 240mm liquid cooler. A perforated design promotes airflow, and a bottom-mount PSU configuration completes the dark gray alloy steel and plastic build.

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Current catalog price

Price & purchase

MSRP $44.99

4.5 from 13,900 retailer reviews

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ComparisonStandingVotesSupportEvidenceScore contribution
Airflow gaming casesUnranked00.0%Early signal · 0 voters0.00
Showcase casesUnranked00.0%Early signal · 0 voters0.00
Best compactUnranked00.0%Early signal · 0 voters0.00
Best overallUnranked00.0%Early signal · 0 voters0.00
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Product details

Description, highlights, and specifications from the retailer feed.

The Master Box Q300L is your straightforward option in the lineup of the brand new Master Box 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 Master Box 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 Master Box Q300L The perfect choice for office and home.

  • 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.
Brand
Cooler Master
Motherboard Compatability
Micro-ATX and Mini-ITX
Case Type
Mini-Tower
Recommended Uses For Product
Gaming
Color
Dark Gray
Material
Alloy Steel, Plastic
Power Supply Mounting Type
Bottom Mount
Cooling Method
Air
Model Name
Q300L
Item Weight
480 g
Model Number
MCB-Q300L-KANN-S00
Number Of Fans
3
Total Usb Ports
2
Compatible Devices
Micro-ATX and Mini-ITX motherboards, Cooler Master devices
Hard Disk Form Factor
3.5 inches
Internal Bays Quantity
1
Item Dimensions D X W X H
15.39"D x 9.06"W x 15"H
Power Supply Maximum Output
500 watts
Total Expansion Slots Quantity
4
Other Special Features Of The Product
Accomodates CPU Coolers, Adjustable, Dust Filter, Edge-To-Edge Panel, Fully Ventilated
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