7.9
The Cooler Master Masterbox Q300L conforms to the Micro-ATX form factor and so can accommodate motherboards with form factors Micro-ATX and Mini-ITX.
It is made of Steel and its dimensions (LxWxH) are 387mm x 230mm x 378mm.
 | Release Date | 01 Mar 2018 | | Maximum CPU Cooler Size | 157mm | ||
|---|---|---|---|---|---|---|---|
| Form Factor | Micro-ATX | | Front Fans | 2 | ||
| Motherboard Form Factors |
| | Front Fans Size | 140mm | ||
| Material | Steel | | Top Fans | 2 | ||
| Color | Black | | Top Fans Size | 120mm | ||
| Expansion Slots | 4 | | Rear Fans | 1 | ||
| 5.25″ Drive Bays | 0 | | Rear Fans Size | 120mm | ||
| 3.5″ Drive Bays | 1 | | Bottom Fans | 1 | ||
| 2.5" Drive Bays | 2 | | Bottom Fans Size | 120mm | ||
| Tool-less Rails | no | | IO Display Panel | yes | ||
| Length | 387mm | | Front USB 2.0 Slots | 0 | ||
| Width | 230mm | | Front USB 3.0 Slots | 2 | ||
| Height | 378mm | | eSATA | no | ||
| Maximum Graphics Card Length | 360mm | | Audio IO | yes |
The Cooler Master Masterbox Q300L has a the Micro-ATX form factor. Micro-ATX is a smaller version of the ATX standard which is designed to make your case and the system therein lightweight and portable. Using the Micro-ATX standard, the case can house motherboards and power supplies with form factors Micro-ATX and Mini-ITX. The dimensions of the case itself (LxWxH) are 387mm x 230mm x 378mm.
The Cooler Master Masterbox Q300L has four expansion slots, so there is some room for extra components, which may be a deciding factor when planning on the longevity and build type of a PC system.
Made primarily of Steel, the Cooler Master Masterbox Q300L is built to be strong and well-ventilated. Steel cases are generally fairly cheap and sturdy, but also tend to be quite heavy. Whatever your case's material, it is important to keep a consistent airflow so that heat doesn't build up inside. It is therefore advised that you make use of the available built-in case fans and fan installation sections.
