Brand: Cooler Master
Product Code: 180390
Availability: In Stock At Supplier
Ex Tax: $113.91


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RGB Lighting

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



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 positio



Edge-to-edge Side Panel

Show off your build through the full size transparent side panel.



Clean Routing Space

Behind the motherboard tray, it offers 28mm wide and spacy room for hidden cable management.




Product Name

MasterBox Q300P

Product Number


Available Color



Steel, Plastic

Dimensions (LxWxH)

450 x 230 x 450mm

Motherboard Support

Micro-ATX, Mini-ITX

Expansion Slots


Drive Bays

5.25": 0
3.5" HDD: 1
2.5" SSD: 2

I/O Port

USB 3.0 x 2, Audio In / Out

Pre-installed Fan(s)

Front 120mm RGB LED x 2
Rear 120mm non-LED x 1

Fan Support

Front 120 / 140mm x 2
Top 120mm x 2
Rear 120mm x 1
Bottom 120mm x 1

Radiator Support

Front 120mm x 1 / 240mm x 1
Rear 120mm x 1


CPU Cooler 157mm
PSU 160mm
GPU 360mm

Cable Routing

Behind MB Tray 28mm

Power Supply Support

Bottom mount, ATX PS2

EAN Code


UPC Code