Introduzione
The Cooler Master Q300L V2 is a Micro-ATX tower designed for PC enthusiasts and builders seeking a compact yet versatile chassis. This case supports Micro-ATX and Mini-ITX motherboards, offering ample space for component installation and future upgrades. Key features include a magnetic patterned dust filter, a USB 3.2 Gen 2x2 Type-C port for high-speed data transfer, and a tempered glass side panel for showcasing your build. The design prioritizes thermal performance with perforated panels for optimal airflow and flexible cooling options.
This manual provides essential information for assembling, operating, and maintaining your Cooler Master Q300L V2 case.
Installazione è installazione
Follow these steps for proper assembly and installation of components within your Q300L V2 chassis.
1. Installazione di scheda madre
The Q300L V2 supports both Micro-ATX and Mini-ITX motherboards. Ensure the standoffs are correctly aligned for your motherboard size before securing it with screws.

Figure 1: Motherboard Compatibility (Micro-ATX 9.6 x 9.6 in, Mini-ITX 6.7 x 6.7 in)
2. Component Clearance
The case provides generous clearance for various components:
- CPU Coolers: Maximum height of 159mm.
- Graphics Cards (GPUs): Up to 360mm in length.
- Power Supplies (PSUs): Up to 160mm in length.

Figure 2: Component Clearance Specifications
3. Installazione di u Sistema di Cooling
The Q300L V2 offers versatile cooling options. You can install a 240mm liquid cooler and up to 5 case fans for optimal thermal management.
- Liquid Cooling: Supports a 240mm liquid cooler.
- Ventilatori di Casu: Accommodates up to 5 fans (e.g., 120mm or 140mm).

Figure 3: Versatile Cooling Layout
4. Gestione di cavi
Utilize the 28mm of space behind the motherboard tray to route and organize cables. This helps maintain a clean interior and improves airflow.

Figure 4: Cable Routing Space
5. Pannellu I/O frontale
The front I/O panel includes a USB 3.2 Gen 2x2 Type-C port, offering data transfer speeds up to 20GB/s, along with other standard USB ports and audio jacks. Connect these to your motherboard according to its manual.

Figure 5: Front I/O Panel with USB 3.2 Gen 2x2 Type-C
6. Tempered Glass Side Panel
The 4mm-thick tempered glass side panel allows for a clear view of your internal components. Handle with care during installation and removal.

Figura 6: Pannellu laterale in vetru temperatu View
7. Case Positioning
The Q300L V2 can be positioned either vertically or horizontally to suit your setup preferences.

Figure 7: Vertical Case Positioning
Istruzzioni di funziunamentu
Once all components are installed and connected, ensure all cables are properly routed and secured. Power on your system using the power button on the front I/O panel.
Thermal Design and Airflow
The Q300L V2 features an open thermal design with perforated front, top, and bottom panels. This design promotes excellent heat dissipation and optimal thermal airflow throughout the system. Ensure that fan orientations are set to create an effective airflow path (e.g., front intake, rear/top exhaust) for best performance.

Figure 8: Open Thermal Design and Airflow
Mantenimentu
Regular maintenance helps ensure the longevity and optimal performance of your PC components.
Pulizia di u filtru di polvera
The Q300L V2 is equipped with redesigned magnetic patterned dust filters on the front, top, and bottom panels. These filters are easily removable for cleaning. Periodically remove and clean them with compressed air or by rinsing with water (ensure they are completely dry before reinstallation) to prevent dust buildup and maintain airflow.

Figure 9: Redesigned Magnetic Dust Filters
Pulizia generale
Asciugate l'esternu di a carcassa cù un pannu dolce èamp cloth. Avoid abrasive cleaners or solvents that could damage the finish or tempered glass. For the interior, use compressed air to remove dust from components.
Risoluzione di prublemi
Sè avete prublemi cù a custruzzione di u vostru PC, cunsiderate i seguenti passi cumuni di risoluzione di i prublemi:
- U sistema ùn s'accende micca:
- Ensure the power supply is switched on and properly connected to the wall outlet and motherboard.
- Verify all front panel connectors (power switch, reset switch) are correctly attached to the motherboard headers.
- Check that the CPU power and main ATX power cables are securely connected.
- Nisuna uscita di visualizazione:
- Confirm the monitor cable is connected to the graphics card (not the motherboard integrated graphics, unless no dedicated GPU is present).
- Rimette a carta grafica in u so slot PCIe.
- Check that the graphics card has sufficient power from the PSU.
- Problemi di surriscaldamentu:
- Ensure all case fans and CPU/GPU coolers are spinning correctly.
- Verify fan orientations for optimal airflow (intake/exhaust).
- Clean dust filters and internal components to remove any obstructions.
- Check thermal paste application on the CPU cooler.
- Porte USB chì ùn funzionanu micca:
- Ensure the USB headers from the front I/O panel are correctly connected to the motherboard.
- Check motherboard drivers for USB controllers.
For more detailed troubleshooting, refer to the manuals for your specific motherboard, CPU, and graphics card.
Specificazioni
| Feature | Detail |
|---|---|
| Nome di mudellu | Q300L V2 Black |
| Numeru di mudellu di l'articulu | Q300LV2-KGNN-S00 |
| Marca | Cooler Master |
| Cumpatibilità di a scheda madre | Micro ATX, Mini-ITX |
| Tipu di casu | Mini-torre |
| Materiale | Metallu, Plastica, Vetru Temperatu |
| Culore | Neru |
| Dimensioni di u produttu (LxWxH) | 15.2 x 9.1 x 15 inch (386 x 230 x 381 mm) |
| Pesu di l'articulu | 11.68 liri (5.3 kg) |
| Liquidazione CPU Cooler | Massimu 159 mm |
| Liquidazione GPU | Massimu 360 mm |
| PSU Length Clearance | Massimu 160 mm |
| Spaziu per l'itinerariu di cable | 28mm behind motherboard tray |
| Porti I / O frontali | 1x USB 3.2 Gen 2x2 Type-C, 2x USB 3.0, Audio In/Out |
| Metudu di rinfrescante | Aria |
| Tipu di muntatura di l'alimentatore | Munti di fondu |
| Supportu di i fan | Up to 5 case fans (e.g., 2x 120/140mm front, 1x 120mm rear, 2x 120/140mm top, 1x 120mm bottom) |
| Supportu di radiatori | Up to 240mm liquid cooler |
Infurmazioni di Garanzia
Cooler Master products are covered by a limited warranty. For specific warranty terms and conditions, including duration and coverage details, please refer to the official Cooler Master websitu o a carta di garanzia inclusa cù u vostru pruduttu. Conservate a prova d'acquistu per e richieste di garanzia.
Assistenza Clienti
For technical assistance, product inquiries, or support, please visit the official Cooler Master support websitu. Di solitu pudete truvà FAQ, scaricamenti di driver è informazioni di cuntattu per u serviziu clienti quì.
Cooler Master ufficiale Websitu: www.coolermaster.com
Product Video Guide
Fighjate stu video ufficiale per una visione più dettagliataview and additional insights into the Cooler Master Q300L V2 Micro-ATX Tower.
Video 1: Cooler Master Q300L V2 Product Overview è Features





