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

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.

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Comparison

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Q300L

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QUBE 540 Moonstone

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QUBE 540 Stardust Iron

Dimension (L x W x H) /Volume

387 x 230 x 381mm

Dimension (L x W x H) /Volume

438.5 x 225 x 492.1 mm / 40.6 L

Dimension (L x W x H) /Volume

438.5 x 225 x 492.1 mm / 40.6 L

Compatible Motherboard

ITX / M-ATX

Compatible Motherboard

ITX / M-ATX / ATX / *E-ATX (*Up to 280 mm)

Compatible Motherboard

ITX / M-ATX / ATX / *E-ATX (*Up to 280 mm)

CPU Cooler/GPU/PSU Clearance

72 / 415 / 200 mm

CPU Cooler/GPU/PSU Clearance

72 / 415 / 200 mm

CPU Cooler/GPU/PSU Clearance

72 / 415 / 200 mm

Color

Black

Color

Moonstone

Color

Stardust Iron

LED Profiles

Non-LED

LED Profiles

Non-LED

LED Profiles

Non-LED

Compact Micro-ATX Design
Compact Micro-ATX Design Compact performance design supports Micro-ATX and Mini-ITX motherboards without compromising capability.
GPU Clearance
Accommodating high-end GPUs up to 360mm—including RTX 5080 | RX 9070 XT.
Power Clearance
Engineered to accommodate 160mm in length power supplies, perfectly matched with the Cooler Master MWE V3 Gold.
Stay Cool Under Pressure
Removable side bracket allows fast 240 | 280mm radiators or fan setup, unlocking maximum cooling potential.
Airflow Unleashed
Unlock Maximum airflow setup with support for 157mm CPU coolers and up to 6 fans.

Comparison

Q300L

QUBE 540 Moonstone

QUBE 540 Stardust Iron

Meet Your Seller

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

Comparison

Compact Micro-ATX Design

GPU Clearance

Power Clearance

Stay Cool Under Pressure

Airflow Unleashed

Comparison

Learn more about the Detailed Specifications

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: 9SIC61MKUN0076

Meet Your Seller

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

Comparison

Compact Micro-ATX Design

GPU Clearance

Power Clearance

Stay Cool Under Pressure

Airflow Unleashed

Comparison

Learn more about the Detailed Specifications

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info