Chieftec's 'The Cube' is a Compact mATX Chassis for DIY Computers
Colin Smith — November 28, 2025 — Art & Design
References: chieftec.eu & kitguru.net
The Cube (model CI‑03B‑OP) measures 385 × 265 × 355 mm and has a volume of 34.1 liters, supporting Mini‑ITX and Micro‑ATX motherboards, graphics cards up to 335 mm in length, and CPU coolers up to 160 mm in height. The front panel features a large circular vent covered with breathable fabric that visually references a subwoofer and houses the included 200 mm PWM fan with a long‑life HDB bearing; the top panel can accommodate up to two 120 mm fans, a single 200 mm fan, or a 240 mm radiator, while a 120 mm fan can be fitted at the rear.
Storage and connectivity options are oriented toward compact builds: the chassis accepts two 3.5‑inch HDDs and two 2.5‑inch SSDs and supports ATX power supplies up to 160 mm depending on drive bay usage. Front I/O includes USB 3.2 Gen2 Type‑C, two USB 3.0 Type‑A ports, and audio jacks; Chieftec positions the design for living‑room or minimalist desk setups and lists a 24‑month warranty, with the case available in black and priced in the EU at approximately €70 per early retail reports.
Image Credit: Chieftec
Storage and connectivity options are oriented toward compact builds: the chassis accepts two 3.5‑inch HDDs and two 2.5‑inch SSDs and supports ATX power supplies up to 160 mm depending on drive bay usage. Front I/O includes USB 3.2 Gen2 Type‑C, two USB 3.0 Type‑A ports, and audio jacks; Chieftec positions the design for living‑room or minimalist desk setups and lists a 24‑month warranty, with the case available in black and priced in the EU at approximately €70 per early retail reports.
Image Credit: Chieftec
Trend Themes
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Compact PC Building — The movement towards compact and efficient PC builds is pushing boundaries in minimizing size without compromising performance.
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Aesthetic PC Cases — The integration of design elements that mimic household items like subwoofers in PC cases is creating a new wave of aesthetically pleasing computer hardware.
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Customizable Cooling Solutions — Advancements in modular cooling options are allowing personal computer enthusiasts to tailor airflow and thermal management to their specific hardware configurations.
Industry Implications
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DIY Computing — The rise of DIY computing continues to innovate by offering highly customizable and scalable hardware options for consumers building their own systems.
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Home Office Design — The merging of technology with home decor is driving innovation in compact and stylish technology solutions for modern living spaces.
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Gaming Hardware — Evolving gaming hardware emphasizes the need for compact yet powerful components to enhance user experiences and fit within limited spaces.
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