Cooler Master

Cooler Master Q300LV2-KGNN-S00 Micro-ATX PC Case

Compact Powerhouse: Micro-ATX Case ReimaginedThe Cooler Master Q300L V2 is a redefined Micro-ATX tower, providing a new experience for small form factor builds. With its modernized patterned dust filter, USB 3.2 Gen 2 Type-C support, tempered glass side panel, and exceptional thermal performance,...

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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.

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Overview

Compact Powerhouse: Micro-ATX Case Reimagined

The Cooler Master Q300L V2 is a redefined Micro-ATX tower, providing a new experience for small form factor builds. With its modernized patterned dust filter, USB 3.2 Gen 2 Type-C support, tempered glass side panel, and exceptional thermal performance, this case is both aesthetically pleasing and remarkably functional.

  • USB Ports: USB 3.2 Gen 2x2 Type C
  • Side Panel: Edge-To-Edge Tempered Glass
  • CPU Cooler Support: Up to 159mm
  • GPU Support: Up to 360mm
  • Cooling: Supports 240mm liquid cooler and up to 5 fans
  • Cable Routing Space: 28mm
  • Motherboard Compatibility: Micro ATX

Key Features

Motherboard Compatibility – Supports Micro-ATX and Mini-ITX motherboards with a spacious interior for easy installation, improved cable management, and future upgrade flexibility.

GPU Compatibility – Supports graphics cards up to 360mm, providing ample room for high-end GPUs and next-gen performance upgrades for gaming or workstation builds.

Versatile Cooling – Equip with a 240mm liquid cooler and up to 5 case fans, ensuring strong airflow, improved heat dissipation, and stable performance during intensive gaming sessions.

Open Thermal Design – The perforated front, top, and bottom design ensures optimal thermal airflow, promoting excellent heat dissipation throughout the system.

Routing Space – With a substantial 28mm of space available behind the motherboard tray, you can effectively manage cables, resulting in a tidy and organized build.

Specifications

Motherboard Compatibility
Micro-ATX, Mini-ITX
Max GPU Length
360mm
Liquid Cooler Support
240mm
Case Fan Support
Up to 5 fans
Cable Management Space
28mm (behind motherboard tray)
Thermal Design
Perforated front, top, and bottom

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Frequently Asked Questions

This PC case supports both Micro-ATX and Mini-ITX motherboards, offering flexibility for different build sizes.
The Cooler Master Q300LV2-KGNN-S00 PC Case supports graphics cards up to 360mm, allowing for various high-end GPUs.
The case supports a 240mm liquid cooler and up to 5 case fans, combined with an open thermal design featuring perforated front, top, and bottom panels for optimal airflow.
Yes, there is a substantial 28mm of routing space behind the motherboard tray, designed to help achieve a tidy and organized build.
The perforated front, top, and bottom design promotes excellent heat dissipation throughout the system, ensuring strong airflow and stable performance.