Cooler Master CS MCB-Q300L-KANN-S00 MASTER BOX Q300L 0 0 (1) USB 0PS MNT BK

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Cooler Master CS MCB-Q300L-KANN-S00 MASTER BOX Q300L 0 0 (1) USB 0PS MNT BK
Patterned Magnetic Dustfilters
Special pattern on the dust filter creates a unique outlook for the chassis.

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.

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.

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.

Product Name
MasterBox Q300L
Available Color
Steel, Plastic
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: N/A
Rear: 120mm 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
Item Dimension ( L inch x W inch x H inch)
18 x 11 x 19
23.00 lb
Warranty Information
3 Years

Cooler Master
Mfg Part #:
Part #:

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