Cooler Master

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

4.4 (13086 reviews)

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:Jun 27, 2026.Price and availability are subject to change.

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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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Pros & Cons

👍 Pros

  • Offers broad motherboard compatibility, supporting both Micro-ATX and Mini-ITX form factors
  • Provides ample space for graphics cards up to 360mm, accommodating high-end GPUs for gaming or workstations
  • Supports versatile cooling configurations, allowing for a 240mm liquid cooler and up to 5 case fans
  • Features an open thermal design with perforated front, top, and bottom panels for enhanced airflow and heat dissipation
  • Includes a substantial 28mm of routing space behind the motherboard tray for effective cable management

👎 Cons

  • The case only supports Micro-ATX and Mini-ITX motherboards, limiting options for larger ATX or E-ATX builds
  • While versatile, the case does not specify if fans or a liquid cooler are included, requiring separate purchases
  • The open thermal design, while great for airflow, might allow more dust ingress compared to cases with filtered front panels
  • Specific details on front I/O ports (USB types, audio jacks) are not provided in the features list
  • The lack of explicit support for larger power supply units might be a consideration for some high-power builds

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.