Cooler Master MasterBox Q300L White Mini Tower
- High Flexibility for System Building
- Minimized Dimension with ATX PSU Support
- Patterned Dust Filter
- Clean Routing Space
- Excellent Thermal Performance
- Edge-to-Edge Acrylic Transparent Side Panel
- Vertical and Horizontal position
Choose Your Style
Q300L White Edition
This the white edition of the award-winning MasterBox Q300L, time to get a clean pure-white build!
Modular I/O Panel
The I/O panel can be adjusted to six different locations. On both side of the body you can install the I/O panel at the front, top or bottom.
Multiple Positioning Options
The case can be put in vertical or horizontal position thanks to the inclusion of rubberized side screws
Edge-to-edge Side Panel
Show off your build through the full-size transparent side panel
Clean Routing Space
Behind the motherboard tray, 28mm of space is offered for cable management.
Excellent Thermal Performance
The open design of the perforated front, top and bottom guarantees excellent thermal performance
Fan And Radiator Support
The front supports up to two 140mm fans and up to a 240mm radiator.
The rear supports a 120mm fan or radiator and the top two 120mm fans.
All to ensure you don’t have to compromise on performance.
Main Components Clearance
The MasterBox Q300L case supports CPU coolers up to a height of 159mm, graphics cards up to a length of 360mm, and power supplies up to a length of 160mm.
| Design | |
|---|---|
| Maximum PSU length | 16 cm |
| Maximum graphics card length | 36 cm |
| Maximum CPU cooler height | 15.9 cm |
| Anti-dust filter | Yes |
| Number of expansion slots | 4 |
| Number of 3.5″ bays | 1 |
| Number of 5.25″ bays | 2 |
| Supported motherboard form factors | micro ATX, Mini-ATX |
| Product colour | White |
| Material | Plastic, Steel |
| Type | PC |
| Form factor | Mini Tower |
| Power supply | |
|---|---|
| Supported power supply form factors | ATX, PS2 |
| Power supply location | Bottom |
| Power supply included | No |
| Ports & interfaces | |
|---|---|
| Audio output | Yes |
| Audio input | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Cooling | |
|---|---|
| Rear radiator sizes supported | 120 mm |
| Front radiator sizes supported | 120,140 mm |
| Bottom fans diameters supported | 120 mm |
| Number of bottom fans supported (max) | 1 |
| Top fans diameters supported | 120 mm |
| Number of top fans supported (max) | 2 |
| Rear fans diameters supported | 120 mm |
| Number of rear fans supported (max) | 1 |
| Rear fans installed | 1x 120 mm |
| Front fans diameters supported | 120,140 mm |
| Number of front fans supported (max) | 2 |
| General | |
|---|---|
| Product family | MasterBox |
| Weight & dimensions | |
|---|---|
| Weight | 3.7 kg |
| Height | 381 mm |
| Depth | 387 mm |
| Width | 230 mm |
| Packaging data | |
|---|---|
| Package weight | 4.7 kg |
| Package height | 461 mm |
| Package depth | 435 mm |
| Package width | 276 mm |
- leaflet
