TUF edition: The Master Box Q300L joins the TUF Gaming Alliance, carrying the TUF marks on both magnetic filters and both side panels
High flexibility for system building: 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
Minimized dimension with ATX PSU support: Despite the Micro ATX form factor and the body depth and height of only 370 millimeter x 370 millimeter, the Master Box Q300L can accommodate a normal ATX PSU
Excellent thermal performance: The open design of the perforated front, top and bottom s excellent thermal performance potential
Edge to edge transparent side panel: Show off your build through the full size transparent side panel
As an Amazon Associate, PC Builder earns from qualifying purchases. Prices and availability are as of the date shown and may change. Affiliate Disclosure
Product Specification
General
Brand : Cooler Master
Model : MasterBox Q300L
Cabinet Type : MicroATX Mini Tower
Side Panel Type : Acrylic
Color : Black / Gold
Compatibility
Motherboard Supports : Micro ATX, Mini ITX
Internal Drive Size : 1 x 3.5", 2 x 2.5"
GPU Length : 360 mm / 14.173"
Supported PSU Size : ATX
I/O Slots
Front Panel USB : USB 3.2 Gen 1 Type-A
Compatible Motherboards
Picked to work with your Cooler Master MasterBox Q300L
