Cooler Master
Cooler Master Q300L V3 Micro-ATX PC Case, High Airflow, Tempered Glass
Bottom line: The Cooler Master Q300L V3 Micro-ATX PC Case is a specs-and-price decision rather than a crowd-consensus one in the pc cases category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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Pros & Cons
Pros
- ✓ Backed by Cooler Master's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
Q300L V3 is a performance-ready mATX case designed for strong airflow and efficient cooling in a compact footprint. Built under Cooler Master’s Thermal Excellence philosophy, it supports larger GPUs and taller coolers while maintaining easy installation. As part of the Q300L family, it features modular design elements like flexible I/O placement and multiple orientation options for a versatile build experience.
SpecPicks Verdict
SpecPicks scored Cooler Master Q300L V3 Micro-ATX PC Case using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. Cooler Master's pc cases lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Builder-Friendly Design: Feature rich Micro ATX case with high-airflow cooling, flexible hardware support, and a compact layout that delivers premium performance without compromising on quality.
- Fits High-Performance GPUs: Supports graphics cards up to 366mm, making it easy to build with today's NVIDIA GeForce RTX and AMD Radeon gaming graphics cards
- High Airflow Cooling: Fit 6x 120mm or 140mm fans, 240mm AIO radiators, and 178mm CPU air coolers, for flexible cooling for gaming and productivity.
- Modular Everyday Design: Supports ATX power supplies up to 200mm and features a movable I/O panel, magnetic dust filters, tempered glass, and clean cable management for hassle-free builds.
- Complete Your High-Airflow Build: Pair with the Cooler Master V4 Alpha 3DHP Air Cooler, MasterFan M120, and MWE Gold 850 V3 PSU for powerful cooling, reliable power, and optimized airflow.
Full Specifications
| Brand | Cooler Master |
|---|---|
| Color | Black |
| Material | Metal, Tempered Glass |
| Case Type | Mini-Tower |
| Model Name | Q300L V3 Black |
| Unit Count | 1 Count |
| Model Number | Q300LV3-KGNN-S00 |
| Compatibility | PC |
| Cooling Method | Air, Water |
| Number of Fans | 1 |
| Mfr Part Number | Q300LV3-KGNN-S00 |
| Number of Items | 1 |
| Total Usb Ports | 2 |
| Antenna Location | Business, Gaming |
| Compatible Devices | CPU Cooler 178mm, Graphics Card 366mm (without front fan), Liquid Cooler Up to 240mm, Mini-ITX, Micro-ATX, Power Supply 200mm (without bottom fan ) |
| Enclosure Material | Metal, Tempered Glass |
| Total USB 3.0 Ports | 3 |
| High Airflow Cooling | Fit 6x 120mm or 140mm fans, 240mm AIO radiators, and 178mm CPU air coolers, for flexible cooling for gaming and productivity. |
| Warranty Description | 1 Year Manufacturer |
| Supported Motherboard | Mini-ITX, Micro-ATX |
Ready to buy?
Cooler Master Q300L V3 Micro-ATX PC Case, High Airflow, Tempered Glass is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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