Cooler Master
Cooler Master MasterBox Q300L (mcb-q300l-kann-s00)
(No reviews yet)
Write a Review
- SKU:
- 18047313
- MPN:
- mcb-q300l-kann-s00
- Availability:
- Usually ships the same or next business day.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 06/02/2026 12:24:19 PM PST
- Stock Update:
- 06/02/2026 12:24:19 PM PST
Frequently bought together:
Description
This item is brand-new, factory sealed.
Patterned Magnetic DustfiltersSpecial 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 Q300LAvailable Color
BlackMaterials
Steel, PlasticMotherboard
Support Micro-ATX, Mini-ITXExpansion Slots
4Drive Bays
5.25": 0
3.5" HDD: 1
2.5" SSD: 2I/O Port
USB 3.0 x 2, Audio In / OutPre-installed Fan(s)
Front: N/A
Rear: 120mm x 1Fan Support
Front: 120 / 140mm x 2
Top: 120mm x 2
Rear: 120mm x 1
Bottom: 120mm x 1Radiator Support
Front: 120mm x 1 / 240mm x 1
Rear: 120mm x 1Clearances
CPU Cooler: 157mm
PSU: 160mm
GPU: 360mmCable Routing
Behind MB Tray: 28mmPower Supply Support
Bottom mount, ATX PS2Item Dimension ( L inch x W inch x H inch)
18 x 11 x 19Weight
23.00 lbWarranty Information
3 Years
Specs
| Physical Characteristics | |
| Product Material |
|
| Form Factor | Mini-tower |
| Product Color | Black |
| Height | 15" |
| Color Family | Black |
| Maximum GPU Length | 14.17" |
| Maximum PSU Length | 6.30" |
| Width | 9.1" |
| Depth | 15.2" |
| Maximum CPU Cooler Height | 6.26" |
| Warranty | |
| Limited Warranty | 2 Year |
| I/O Expansions | |
| Total Number of Expansion Slots | 4 |
| Interfaces/Ports | |
| Headphone/Microphone Combo Port | Yes |
| Microphone | Yes |
| Total Number of Audio Out Ports | 2 |
| USB Port Details | 2 x USB 3.0 |
| Front Audio In | Yes |
| Front Audio Out | Yes |
| Front USB | Yes |
| Total Number of USB Ports | 2 |
| Total Number of Audio In Ports | 2 |
| Bays | |
| Number of Internal 2.5" Bays | 2 |
| Number of Total Expansion Bays | 3 |
| Number of Internal 3.5" Bays | 1 |
| General Information | |
| Brand Name | Cooler Master |
| Manufacturer Website Address | http://www.coolermaster-usa.com |
| Marketing Information | 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. Edge-To-Edge Side Panel Show off your build through the full size transparent side panel. Multiple Positioning Options The case can be put in vertical or horizontal position. Excellent Thermal Performance The open design of the perforated front, top and bottom guarantees excellent thermal performance Clean Routing Space Behind the motherboard tray, 28mm of space is offered for cable management. 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. Main Components Clearance The MasterBox Q300L 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. More from the Manufacturer |
| Product Type | Computer Case |
| Product Name | MasterBox MCB-Q300L-KANN-S00 Computer Case |
| Manufacturer | Cooler Master Co., Ltd |
| Manufacturer Part Number | MCB-Q300L-KANN-S00 |
| Product Model | MCB-Q300L-KANN-S00 |
| Product Line | MasterBox |
| Technical Information | |
| Motherboard Supported |
|
| Installed Fan Size | 4.72" |
| Installed Fan Size Details | 1 x 120mm |
| Fan Supported Details | <p>Fan Support - Front 2x 120/140mm</p><p>Fan Support - Top 2x 120mm</p><p>Fan Support - Rear 1x 120mm</p><p>Fan Support - Bottom 1x 120mm</p><p><br /></p> |
| Window Panel Location | Side Panel |
| Number of Fans Supported | 6 |
| Features |
|
| Window Panel | Yes |
| Fan Size Supported |
|
| Number of Fans Installed | 1 |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
View AllClose
Cooler Master MasterBox Q300L (mcb-q300l-kann-s00)
$54.15