|Model||Cooler Master MasterBox Q300L|
|Mainboard Type||mATX, Mini ITX|
|Power Supply||Bottom mount, ATX PS2|
|Port||2 x USB3.0| Front Audio Port Audio In & Out|
|Others||PSU: 160mm, Materials: Steel, Plastic, Cable Routing Behind MB Tray: 28mm, Dust Filters: Bottom, Specialty Tempered Glass Side Window Gaming Desktop Case, PATTERNED MAGNETIC DUSTFILTERS, MODULAR I/O PANEL, MULTIPLE POSITIONING OPTIONS, EDGE-TO-EDGE SIDE|
|Case Type||Mini Tower|
- Micro-ATX and Mini-ITX
- 1 x 3.5″ Drive Bay
- 2 x 2.5″ Drive Bays
- 4 x Expansion Slots
- USB 3.0 and Audio In/Out Ports
- 120mm Rear Fan Included
- Supports GPUs up to 14.2″ Long
- Supports CPU Coolers up to 6.2″ Tall
- Clean Routing Space
The MasterBox Q300L Mini Tower Case from Cooler Master supports Micro-ATX and Mini-ITX motherboards. The case features one 3.5″ HDD drive bay, two 2.5″ SSD drive bays, and four expansion slots. The I/O panel includes two USB 3.0 ports and audio in/out jacks, and it can be adjusted to six different locations, three options at each side. The Q300L supports GPUs up to 14.2″ and CPU Coolers up to 6.2″ tall. A 1.1″ space behind the motherboard tray offers hidden cable management.
6-orientation I/O panel—both sides: front, top, and bottom.
Edge-to-Edge Acrylic Side Panel
Show off your build through the full-size transparent side panel.
Clean Routing Space
28 mm of open space for hidden cable management.
Small Form Factor, ATX PSU Support
Despite the Micro-ATX form factor and the body depth/height of only 370 x 370 mm, the Q300L can accommodate a normal ATX PSU.