Description
The Cooler Master Cosmos Alpha represents the evolution of the iconic Cosmos series, blending a signature curved aesthetic with the thermal demands of modern high-end hardware. Constructed from steel, plastic, and tempered glass, this 140-liter chassis provides an expansive environment for flagship components. Its design prioritizes high-bandwidth connectivity and massive airflow, featuring dual 200mm intake fans and a specialized Mobius 120mm exhaust fan to maintain optimal operating temperatures for professional-grade systems.
This product is for:
- Professional Workstation Builders: Users requiring support for EEB or E-ATX motherboards for multi-processor or high-memory capacity builds.
- Extreme Liquid Cooling Enthusiasts: Builders looking to install multiple large radiators, including side-mounted 420mm or triple 360mm configurations.
- High-End Gamers: Enthusiasts housing oversized GPUs like the RTX 40 series, utilizing the included VGA support bracket and 400mm clearance.
- Content Creators: Professionals who benefit from the dual USB 3.2 Gen 2x2 Type-C ports for 20Gbps data transfers from external storage.
- System Modders: Builders who appreciate the premium materials, tempered glass side panels, and integrated cable management covers for a clean, showcase-ready look.
Detailed specifications:
- Motherboard Compatibility: Mini-ITX, Micro-ATX, ATX, E-ATX, EEB
- Exterior Dimensions: 669 x 330 x 639 mm (including protrusions)
- I/O Panel: 4x USB 3.2 Gen 1 Type-A (5G), 2x USB 3.2 Gen 2x2 Type-C (20G), 3.5mm Audio/Mic Combo Jack
- Pre-installed Fans: 2x 200x38mm (Front), 1x Mobius 120x25mm (Rear)
- Radiator Support: Top/Bottom up to 360mm; Side up to 420mm or 3x360mm
- Component Clearances: CPU Cooler (186mm), GPU (400mm), PSU (240mm)
- Storage & Expansion: 8 PCI slots; 2x 2.5"/3.5" drive bays
Building in the Cosmos Alpha is characterized by its spacious 53mm cable management area behind the motherboard tray, which is further refined by decorative covers to hide wiring. The thermal architecture is anchored by two massive 200mm front fans that provide high-volume intake at lower RPMs, reducing acoustic output while maximizing cooling. The inclusion of quick-release dust filters and a dedicated VGA bracket ensures long-term reliability and structural integrity for heavy modern graphics cards. The dual 20G Type-C ports on the front I/O provide industry-leading connectivity for high-speed peripherals.
Compared to standard full-tower cases, the Cosmos Alpha offers a significantly larger internal capacity of 88L (excluding panels), allowing for side-mounted radiator setups that are typically restricted in smaller frames. While many premium cases offer a single USB-C port, the Alpha provides two USB 3.2 Gen 2x2 ports, doubling the high-speed connectivity. Its support for EEB motherboards distinguishes it from typical gaming towers, positioning it as a hybrid solution for both extreme gaming and professional server-grade workstations.
Q&A:
- What is the maximum GPU length for the Cosmos Alpha? The case supports graphics cards up to 400mm in length, making it compatible with the largest modern GPUs.
- Does this case include a vertical GPU mount? It includes a VGA support bracket to prevent sag, though vertical riser cables are typically sold separately.
- How many radiators can be installed simultaneously? The chassis supports multiple radiators, including up to 360mm on the top and bottom, and up to 420mm or three 360mm radiators on the side bracket.
- What are the front panel USB speeds? The front I/O features four USB 3.2 Gen 1 ports (5Gbps) and two USB 3.2 Gen 2x2 Type-C ports (20Gbps).
- Is the Cosmos Alpha compatible with server motherboards? Yes, it officially supports EEB motherboard form factors, which are common in dual-socket workstation and server configurations.
