Choose Your Style
MasterBox Q300P


RGB Lighting

Use the RGB lighting to create a captivating build in your preferred color theme with the included RGB controller.

Choose your View
Choose your Color

Easy To Handle

Four removable handles make it easy to transport or carry your full system build to a LAN Party.

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 and horizontal position.


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.


Main Components Clearance

The MasterBox Q300P 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.

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.

Product Name MasterBox Q300P
Product Number MCB-Q300P-KANN-S02
Available Color Black
Materials Steel, Plastic
Dimensions (LxWxH) 453 x 230 x 453mm
Motherboard Support Micro-ATX, Mini-ITX
Expansion Slots 4
5.25" Drive Bays 0
3.5" HDD Drive Bays 1
2.5" SSD Drive Bays 2
I/O Port USB 3.0 x 2, Audio In / Out
Pre-installed Fan(s) - Front 120mm RGB LED x 2
Pre-installed Fan(s) - Rear 120mm non-LED x 1
Fan Support - Front 120 / 140mm x 2
Fan Support - Top 120mm x 2
Fan Support - Rear 120mm x 1
Fan Support - Bottom 120mm x 1
Radiator Support - Front 120mm x 1 / 240mm x 1
Radiator Support - Rear 120mm x 1
Clearances - CPU Cooler 159mm
Clearances - PSU 160mm
Clearances - GPU 360mm
Cable Routing - Behind MB Tray 28mm
Power Supply Support Bottom mount, ATX PS2
EAN Code 4719512065518
UPC Code 884102038037
Awards & Reviews