Qube 340 is a performance-ready mATX case designed for strong airflow and efficient cooling in a compact footprint. Built under Cooler Master s Thermal Excellence philosophy, it supports larger GPUs and taller coolers while maintaining easy installation. As part of the Qube 340 family, it features modular design elements like flexible I/O placement and multiple orientation options for a versatile build experience. Modular I/O Freedom: Place It Where You Want Top - Rear, Front - Top, Top - Front, and Front - Bottom. 3D-Printable Add-Ons: Customize your Qube 340 with a wide range of 3D-printable accessories, including compatible add-ons designed for the QUBE 540 ecosystem. Generous Component Clearance: Fit high-performance hardware in a compact build with support for graphics cards up to 366 mm, including RTX 5080 / RX 9070 XT, and CPU air coolers up to 178 mm tall. Powerful Cooling Support: A high-airflow front panel and multiple fan and radiator mounting options help keep your system running cool and smooth. Compact Micro-ATX Design: Compact design that supports Micro-ATX and Mini-ITX motherboards with a footprint similar to a large LP record crate. Modular Handle Placement: Portable Handles Included: Reconfigurable and durable metal handles. Configure your way!