Cooler Master Cosmos II vs Cosmos C700P – PC Case Comparison

As an experienced tech enthusiast with a passion for PC building, I’m excited to delve into the comparison of two exceptional PC cases from Cooler Master: the Cosmos II and the Cosmos C700P. Both cases offer premium features and outstanding build quality, making them popular choices among PC enthusiasts and gamers. In this article, we’ll explore the key differences and similarities between these two impressive PC cases.

Overview of Cooler Master Cosmos II and Cosmos C700P

The Cooler Master Cosmos II and the Cosmos C700P are part of the renowned Cosmos series, known for their iconic design and exceptional performance. Both cases boast robust construction and extensive cooling options, making them suitable for high-end gaming setups and powerful workstations.

Design and Build Quality

The Cooler Master Cosmos II flaunts a timeless full-tower design, featuring a combination of aluminum, steel, and mesh panels. Its futuristic appearance is complemented by signature handles on the top panel, adding a touch of elegance and functionality. The front panel houses a control panel with USB ports, audio jacks, and a fan controller for easy access.

On the other hand, the Cooler Master Cosmos C700P sports a slightly more modern and customizable design. It features two tempered glass panels, one on the side and the other on the top, allowing a clear view of the internal components. The front panel is interchangeable, giving users the option to choose between mesh and tempered glass aesthetics.

Cooling and Airflow

In terms of cooling, both cases excel in providing ample airflow and accommodating various cooling solutions. The Cosmos II comes with four pre-installed fans: one 120mm rear fan, one 200mm top fan, and two 120mm front fans. This setup ensures efficient heat dissipation, even during heavy gaming sessions or intense workloads.

Similarly, the Cosmos C700P also includes four pre-installed fans: one 140mm rear fan, three 140mm front fans, and an optional 140mm top fan mount. This configuration ensures optimal cooling performance and keeps the internal components at desirable temperatures.

Hardware Compatibility

When it comes to hardware compatibility, both cases shine in accommodating high-end components. The Cosmos II supports XL-ATX motherboards and allows for up to ten expansion slots, providing ample space for multi-GPU configurations. It can house graphics cards up to 385mm in length and CPU coolers up to 190mm in height.

Similarly, the Cosmos C700P is compatible with E-ATX motherboards and offers eight expansion slots. It provides sufficient clearance for graphics cards up to 490mm long and CPU coolers up to 198mm tall, making it a perfect choice for enthusiasts seeking to build an extravagant gaming rig or a content creation powerhouse.

Cable Management and Interior Space

In terms of cable management, both cases are equipped with strategically placed cable routing holes and Velcro straps, allowing users to achieve a clean and clutter-free interior. The Cosmos II provides ample space behind the motherboard tray, making it easy to tuck away excess cables.

The Cosmos C700P, on the other hand, boasts a unique dual-curved tempered glass side panel, which not only adds to its aesthetic appeal but also enhances cable management. The curved design conceals cables, providing a seamless view of the internal components from the side.

Advanced Features and Accessories

The Cosmos II comes with advanced features, such as a hot-swappable drive bay, a removable HDD cage, and an integrated fan controller. It also includes a top-mounted SATA dock, allowing users to easily access and transfer data from external hard drives without the need for a separate docking station.

The Cosmos C700P offers a more modular design, allowing users to adjust the layout of the case to suit their specific needs. It comes with a PSU shroud and covers for a clean look, and it includes a GPU holder for added support.

Price and Value

When it comes to pricing, the Cosmos II is generally priced higher than the Cosmos C700P due to its premium build quality and additional features. However, both cases offer excellent value for their respective price points, considering the level of craftsmanship and functionality they provide.

Pros and Cons of Each Case

Cooler Master Cosmos II:

  • Pros: Timeless design, hot-swappable drive bay, integrated fan controller, top-mounted SATA dock.
  • Cons: Higher price point, heavyweight.

Cooler Master Cosmos C700P:

  • Pros: Modern and customizable design, modular layout, curved tempered glass side panel.
  • Cons: Interchangeable front panel requires additional purchase.


In conclusion, both the Cooler Master Cosmos II and the Cosmos C700P are exceptional PC cases that cater to different preferences. The Cosmos II boasts a classic design with advanced features, making it an ideal choice for users seeking a premium full-tower case. On the other hand, the Cosmos C700P offers a more modern and customizable design, catering to enthusiasts who value aesthetics and modularity. Both cases excel in cooling performance and hardware compatibility, ensuring a top-notch PC building experience.


  • Is the Cooler Master Cosmos II suitable for water-cooling setups?
    Absolutely! The Cosmos II provides ample space and support for custom water cooling solutions, making it a popular choice among enthusiasts.
  • Can the Cosmos C700P fit large radiators for liquid cooling?
    Yes, the Cosmos C700P can accommodate large radiators up to 420mm, ensuring efficient liquid cooling performance.
  • Does the Cosmos II come with dust filters?
    Yes, the Cosmos II includes removable dust filters on the front and bottom panels, keeping dust and debris out of the case.
  • What is the maximum GPU length supported by the Cosmos C700P?
    The Cosmos C700P can house graphics cards up to 490mm in length, providing ample room for high-end GPUs.
  • Which case is better for a multi-GPU setup: Cosmos II or Cosmos C700P?
    Both cases are suitable for multi-GPU configurations, but the Cosmos II offers more expansion slots, making it an excellent choice for extreme multi-GPU setups.

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