Cooler Master Masterbox Q300l Micro-ATX Chassis
Micro-ATX (And Below), 4 Expansion Slots, Windowed Side, Watercooling Support, GPU up to 360mm, CPU up to 157mm
15 in stock 
£47.03
£41.99 inc vat
£34.99 ex vat
You save £5.04
Micro-ATX (And Below), 4 Expansion Slots, Windowed Side, Watercooling Support, GPU up to 360mm, CPU up to 157mm
£47.03
£41.99 inc vat
£34.99 ex vat
You save £5.04
CHOOSE YOUR STYLE - MASTERBOX Q300L
Special pattern on the dust filter creates a unique outlook for the chassis.
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.
The case can be put in vertical or horizontal position.
Show off your build through the full size transparent side panel.
Behind the motherboard tray, it offers 28mm wide and spacy room for hidden cable management.
The open design of the perforated front, top and bottom guarantees excellent thermal performance.
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 | |
| Product Number | MCB-Q300L-KANN-S00 | |
| Available Color | Black | |
| Materials | Steel, Plastic | |
| Dimensions (LxWxH) | 387 x 230 x 378mm | |
| Motherboard Support | Micro-ATX, Mini-ITX | |
| Expansion Slots | 4 | |
| 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 | |
| Clearances | CPU Cooler | 157mm |
| PSU | 160mm | |
| GPU | 360mm | |
| Cable Routing | Behind MB Tray | 28mm |
| Power Supply Support | Bottom mount, ATX PS2 | |
| EAN Code | 4719512065488 | |
| UPC Code | 884102038006 | |
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Get your order delivered the next working day for £5.99, available when ordering Monday - Thursday and before 17:00 on that day if the product is in stock and your payment has cleared.
Get your order delivered the next working day before 12:00pm for £8.38, available when ordering Monday - Thursday and before 17:00 on that day if the product is in stock and your payment has cleared. Some orders if via PayPal and the first customer order may not clear in time.
If you need your order at the weekend, for £9.98, you can specify the day you wish to have it delivered to you, Saturday or Sunday providing your order has been placed by 17:00 on the Friday before.
Economy delivery is available on all orders of any value being shipped within the UK.
Cooler Master was founded with a mission to create the best thermal solution in the market. Being a leader in innovation, design and production of computer hardware, Cooler Master has grown to be the industries leaders for PC hardware since its inception two decades ago.
The company has remained true to value creating the best thermal solutions while also expanding and dominating in Cases, Power Supplies, Peripherals and more.
Order Code: CM-Q300L
£41.99 inc vat
£34.99 ex vat
