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Cooler Master Q300L V2 Micro-ATX Tower, Magnetic Patterned Dust Filter, USB 3.2 Gen 2x2 (20GB), Tempered Glass, CPU Coolers Max 159mm, GPU 360mm, Fully Ventilated Airflow (Q300LV2-KGNN-S00)
Cooler Master

Q300L V2 Micro-ATX Tower, Magnetic Patterned Dust Filter, USB 3.2 Gen 2x2 (20GB), Tempered Glass, CPU Coolers Max 159mm, GPU 360mm, Fully Ventilated Airflow (Q300LV2-KGNN-S00)

By SpecPicks Editorial · Verified 2026-07-22

$39.99
Buy on Amazon — $39.99 Compare to similar pc cases

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The Q300L V2 Micro-ATX Tower, Magnetic Patterned Dust Filter, USB 3.2 Gen 2x2 (20GB), Tempered Glass, CPU Coolers Max 159mm, GPU 360mm, Fully Ventilated Airflow (Q300LV2-KGNN-S00) is a niche pick — read recent reviews before buying in the pc cases category, priced around $39.99. Read recent reviews carefully before committing.

The Q300L V2 delivers a new perspective on the small form factor build experience by pushing the boundaries of what a micro-ATX case can do and be. The V2 updates and reinvigorates every aspect of its mighty predecessor with new features such as USB 3.2 Gen 2 Type C support and redesigned features such as the modernized patterned dust filter. With ATX PSU support, 28mm of cable routing space behind the motherboard tray, a tempered glass side panel, and top-tier thermal performance, the Q300L V2 is highly flexible and aesthetically smart.

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SpecPicks Verdict

SpecPicks classifies Cooler Master Q300L V2 Micro-ATX Tower, Magnetic Patterned Dust… as a niche pick — read recent reviews before buying in the pc cases category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Cooler Master's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Backed by Cooler Master's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

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.

Full Specifications

BrandCooler Master
ColorBlack
Fan Size240 Millimeters
MaterialMetal, Plastic, Tempered Glass
Case TypeMini-Tower
Model NameQ300L V2 Black
Unit Count1.0 Count
ConnectivityUSB
Model NumberQ300LV2-KGNN-S00
Cooling MethodAir
Item Type NameGaming Case
Number of Fans5
Mfr Part NumberQ300LV2-KGNN-S00
Total Usb Ports2

Ready to buy?

Cooler Master Q300L V2 Micro-ATX Tower, Magnetic Patterned Dust Filter, USB 3.2 Gen 2x2 (20GB), Tempered Glass, CPU Coolers Max 159mm, GPU 360mm, Fully Ventilated Airflow (Q300LV2-KGNN-S00) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

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Cooler Master Q300L V2 Micro-ATX Tower, Magnetic Patterned Dust Filter, USB 3.2 Gen 2x2 (20GB), Tempered Glass, CPU Coolers Max 159mm, GPU 360mm, Fully Ventilated Airflow (Q300LV2-KGNN-S00)
$39.99
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