Description
The Cooler Master Qube 340 redefines the PC building experience with its modular flatpack design, offering an engaging DIY assembly process that reduces shipping volume and environmental impact. Crafted from premium SGCC steel, tempered glass, and high-airflow mesh, this compact tower balances a space-saving footprint with extensive hardware compatibility. It features a reversible I/O panel, a convenient carrying handle, and open-source 3D-printable files for custom hooks and accessories, making it the ultimate playground for hardware enthusiasts and creative makers.
This versatile chassis is engineered to serve five distinct user groups. DIY PC builders will appreciate the hands-on assembly process and modular panels that simplify component installation. Creative professionals and makers can leverage the 3D-printing ecosystem to design bespoke mounting brackets and cable organizers. Gamers seeking a compact setup can house high-performance components without sacrificing thermal efficiency. Minimalist desk enthusiasts will value the small 38.13-liter footprint and clean aesthetic, while LAN party attendees can utilize the integrated carrying handle for effortless transport.
Engineered with precise physical dimensions, the Qube 340 measures 386.1 x 230 x 429.4 mm (or 374 x 230 x 374 mm excluding protrusions), yielding a net volume of 32.17 liters. It supports Micro-ATX and Mini-ITX motherboards and provides four PCIe expansion slots. Storage configurations accommodate up to one 3.5-inch drive and up to four 2.5-inch SSDs. The front I/O panel delivers modern connectivity with two USB 3.2 Gen 1 Type-A ports, one ultra-fast USB 3.2 Gen 2x2 Type-C port, and a 3.5mm audio combo jack. Cooling options are robust, supporting up to 240mm radiators on the top and front panels, or up to five fans (120mm or 140mm) across the top, front, rear, and bottom, with one 140mm fan pre-installed at the rear. Component clearances are generous, allowing for CPU coolers up to 178mm tall, graphics cards up to 366mm long (without front fans), and ATX power supplies up to 200mm (or 140mm when a bottom fan is installed), supported by a 30mm cable management routing space behind the motherboard tray.
Building in the Qube 340 offers an intuitive and highly accessible experience. The modular panels can be completely disassembled, allowing builders to install the motherboard, GPU, and power supply without fighting tight corners. The 30mm cable routing space behind the motherboard tray, paired with strategic tie-down points, ensures a clean interior layout that promotes optimal airflow. Dust management is handled by high-density filters on the top, front, and bottom panels, keeping sensitive internal components free from debris over long-term operation.
When compared to traditional pre-assembled Micro-ATX cases, the Qube 340 stands out through its structural flexibility and customization. While standard cases limit builders to a fixed internal layout, the Qube 340 features a reversible I/O panel that can be oriented to suit your desk layout. Its unique flatpack nature not only provides a more rewarding building experience but also ensures structural rigidity once assembled, matching or exceeding the durability of conventional welded chassis while offering superior clearance for large CPU air coolers up to 178mm.
What motherboards are compatible with the Cooler Master Qube 340?
The chassis officially supports Micro-ATX and Mini-ITX motherboard form factors.
What is the maximum graphics card length supported by this case?
The Qube 340 accommodates GPUs up to 366mm in length, provided no front-intake fans or radiators are installed.
Can I install a liquid cooling radiator in the Qube 340?
Yes, the case supports 120mm and 240mm radiators on both the top and front panels, as well as a 120mm radiator at the rear.
What are the power supply size limitations for this chassis?
The case supports standard ATX power supplies up to 200mm in length. If you choose to install a bottom-intake fan, the maximum PSU length is limited to 140mm.
Does the case come with pre-installed fans and dust filters?
Yes, the Qube 340 includes one pre-installed 140mm rear exhaust fan, three dust filters (top, front, and bottom), and a dedicated base stand.
