Cooler Master QUBE 340 Black - Tower - Black - Galvanized Cold Rolled Steel (SGCC), Tempered Glass, Mesh - 4 x Bay - 1 x 140mm Fan(s) Installed - Mini ITX, Micro ATX Motherboard Supported - 6 x Fan(s) Supported - 1 x Internal 3.5" Bay - 2 x Internal 2.5" Bay - 1 x Internal 2.5"/3.5" Bay(s) - 4x Slot(s) - 3 x USB(s) - 2 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 2x2 Type C - 1 x Audio In - 1 x Audio Out - Fan Cooler
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:
ManufacturerCooler Master Co., Ltd Manufacturer Part NumberQ340-KGNN-S00 Brand NameCooler Master Product LineQUBE Product NameQUBE 340 Black Product TypeComputer Case Technical Information Motherboard SupportedMini ITX,Micro ATX Number of Fans Supported6 Fan Supported Details Fans Support Top| 2 x 120mm / 2 x 140mm Fans Support Front| 2 x 120mm / 2 x 140mm Fans Support Rear| 1 x 120mm / 1 x 140mm Fans Support Bottom| 1 x 120mm / 1 x 140mm Number of Fans Installed1 Fan Size Supported4.72",5.51" Installed Fan Size5.51" Installed Fan Size Details1 x 140mm FeaturesDust Filter,Compact,Carry Handle Bays Number of Internal 3.5" Bays1 Number of Internal 2.5" Bays2 Number of Internal 2.5"/3.5" Bays1 Number of Total Expansion Bays4 I/O Expansions Total Number of Expansion Slots4 Interfaces/Ports Total Number of USB Ports3 USB Port Details2 x USB 3.2 Gen 1 Type-A,1 x USB 3.2 Gen 2x2 Type C Front USBYes Total Number of Audio In Ports1 Front Audio InYes Total Number of Audio Out Ports1 Front Audio OutYes Headphone/Microphone Combo PortYes Physical Characteristics Color FamilyBlack Product ColorBlack Product MaterialGalvanized Cold Rolled Steel (SGCC),Tempered Glass,Mesh Cooler TypeFan Cooler Form FactorTower Maximum CPU Cooler Height7.01" Maximum PSU Length7.87" Maximum GPU Length14.41" Height14.7" Width9.1" Depth14.7" Miscellaneous Package Contents QUBE 340 Black 1 x Filter 1 x Holder Warranty Limited Warranty2 Year WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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