Cooler Master
Cooler Master Q340-KGNN-S00 Cases Cm|q340-kgnn-s00 R
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- SKU:
- 21603804
- MPN:
- q340-kgnn-s00
- Availability:
- Usually ships the same or next business day.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 07/01/2026 01:26:47 AM PST
- Stock Update:
- 07/01/2026 01:26:47 AM PST
Frequently bought together:
Description
This item is brand-new, factory sealed.
Cooler Master QUBE 340 Micro-ATX Compact -Tower PC Case - Customizable Modular Computer Chassis with Movable I/O Panel, Magnetic Dust Filters, Tempered Glass Panel & Portable Handles Black- 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!
- Supported Motherboard: Mini-ITX, Micro-ATX
- Case Type: Mini-Tower
- Cooling Method: Air, Water
- Other Special Features of the Product: 3D-printable accessories, Fit Graphics Cards including RTX 5080 | RX 9070 XT, Modular I/O
- Compatible Devices: CPU Cooler 178mm, Graphics Card 366mm (without front fan), Liquid Cooler Up to 240mm, Mini-ITX, Micro-ATX, Power Supply 200mm (without bottom fan )
- Color: Black
- Enclosure Material: Metal, Tempered Glass
- Antenna Location: Business, Gaming
- Item Weight: 11.16 Pounds
- Item Dimensions D x W x H: 15.2"D x 16.9"W x 9.1"H
- Brand: Cooler Master
- Model Name: Qube 340 Black
- Manufacturer: Cooler Master
- UPC: 884102141430
- Mfr Part Number: Q340-KGNN-S00
- Model Number: Q340-KGNN-S00
- Warranty Description: 2 Year Manufacturer
- Unit Count: 1.0 Count
Qube 340 is a performance-ready mATX case designed for strong airflow and efficient cooling in a compact footprint. Built under Cooler Masters 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.
Package Contents:
- QUBE 340 Black
- 1 x Filter
- 1 x Holder
Features
Package Contents:
- QUBE 340 Black
- 1 x Filter
- 1 x Holder
Specs
| Physical Characteristics | |
| Product Material |
|
| Form Factor | Tower |
| Cooler Type | Fan Cooler |
| Product Color | Black |
| Height | 14.7" |
| Color Family | Black |
| Maximum GPU Length | 14.41" |
| Maximum PSU Length | 7.87" |
| Width | 9.1" |
| Depth | 14.7" |
| Maximum CPU Cooler Height | 7.01" |
| Warranty | |
| Limited Warranty | 2 Year |
| I/O Expansions | |
| Total Number of Expansion Slots | 4 |
| Interfaces/Ports | |
| Headphone/Microphone Combo Port | Yes |
| Total Number of Audio Out Ports | 1 |
| USB Port Details |
|
| Front Audio In | Yes |
| Front Audio Out | Yes |
| Front USB | Yes |
| Total Number of USB Ports | 3 |
| Total Number of Audio In Ports | 1 |
| Bays | |
| Number of Internal 2.5" Bays | 2 |
| Number of Total Expansion Bays | 4 |
| Number of Internal 2.5"/3.5" Bays | 1 |
| Number of Internal 3.5" Bays | 1 |
| General Information | |
| Brand Name | Cooler Master |
| Manufacturer Website Address | http://www.coolermaster-usa.com |
| Marketing Information | 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: |
| Product Type | Computer Case |
| Product Name | QUBE 340 Black |
| Manufacturer | Cooler Master Co., Ltd |
| Manufacturer Part Number | Q340-KGNN-S00 |
| Product Line | QUBE |
| Technical Information | |
| Motherboard Supported |
|
| Installed Fan Size | 5.51" |
| Installed Fan Size Details | 1 x 140mm |
| Fan Supported Details | <p>Fans Support Top| 2 x 120mm / 2 x 140mm</p><p>Fans Support Front| 2 x 120mm / 2 x 140mm</p><p>Fans Support Rear| 1 x 120mm / 1 x 140mm</p><p>Fans Support Bottom| 1 x 120mm / 1 x 140mm</p> |
| Number of Fans Supported | 6 |
| Features |
|
| Fan Size Supported |
|
| Number of Fans Installed | 1 |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Cooler Master Q340-KGNN-S00 Cases Cm|q340-kgnn-s00 R
$65.12