Thermaltake The Tower 300 Racing Green Micro Tower Chassis

The Tower 300 Racing Green Micro Tower Chassis from Thermaltake redefines compact PC building with a bold, automotive-inspired aesthetic and a design that prioritizes airflow and versatility. Built around a classic vertical case concept, this micro-ATX enclosure stands out with an octagonal prism silhouette that looks equally at home on a desk, shelf, or media stand. The Racing Green colorway adds a vivid accent that appeals to gamers, content creators, and enthusiasts who want a visually striking PC without compromising performance or expansion possibilities. The chassis is engineered to keep temperatures in check while delivering straightforward assembly, cable management, and serviceability, so you can upgrade or refresh components with ease. Whether your goal is a compact everyday machine or a compact gaming rig with serious cooling headroom, The Tower 300 Racing Green is designed to adapt to your needs.

• Cooling and airflow optimization: The Tower 300 Racing Green is engineered to maximize airflow in a compact footprint. It supports up to a 420mm radiator on the right side, allowing aggressive liquid cooling setups for enthusiasts who want quiet, cool operation under load. In addition, you can mount up to eight 120mm or 140mm fans across the interior, letting you tailor airflow from a quiet, low-noise profile to a high-performance push-pull configuration. The clever interior layout minimizes obstructions and guides air intuitively across the motherboard, GPU, and power delivery components. Practically, this means cooler temperatures, improved component longevity, and less thermal throttling during intense tasks like gaming, rendering, or streaming. The result is reliable, consistent cooling that keeps performance steady even when you push your system to the limit.
• Micro-ATX friendly interior and mounting flexibility: Sized for micro-ATX builds, The Tower 300 offers ample room for high-end GPUs, multi-core CPUs, and dense cooling solutions within a small form factor. It features flexible mounting options and well-planned cable routing paths that help you keep a clean, unobstructed airflow channel. With multiple motherboard trays and drive mounting possibilities, you can configure storage and components to suit your workflow, whether you favor a minimalist setup or a storage-rich build. The case supports comfortable hardware upgrades over time, making it an approachable choice for first-time builders and seasoned enthusiasts alike. Additionally, the interior tolerances are designed to minimize flex and vibration, contributing to overall system stability during transport or daily use.
• Iconic design and automotive-inspired finish: The octagonal prism silhouette is more than a striking shape—it improves rigidity, reduces visual bulk, and creates an eye-catching centerpiece. The Racing Green finish brings a bold color accent that pairs well with RGB lighting or a minimalist palette, depending on your build. The shell is designed to reveal internal components attractively, while still allowing easy access for maintenance and upgrades, and keeping ports and front I/O within easy reach. The result is a modern, premium look that stands out in photos and in person without compromising ease of use.
• Display-ready potential with an optional stand: For enthusiasts who want to turn the Tower 300 into a visual centerpiece, Thermaltake offers a separately sold Chassis Stand Kit. This accessory enables an elevated, angled display of the chassis, giving you a unique viewing angle of internal components and lighting while preserving full access to ports and expansion cards. The stand kit is a versatile upgrade for desk setups, show builds, or living room setups where aesthetics and conversation value matter as much as performance. It also enables you to reposition the chassis for privacy or glare reduction during day-to-day use.
• Maintenance-friendly and easy to build in: The Tower 300 blends a premium look with practical features that simplify assembly and future upgrades. A thoughtful interior layout provides clear cable routing channels, detachable dust filters, and straightforward mounting points that reduce installation time and guesswork. The dedicated air channels plus removable panels help you reach critical components quickly for cleaning or upgrading, while the compact design typical of micro-ATX cases makes it easy to maneuver in tight spaces. With a focus on longevity, the chassis materials and fit-and-finish withstand regular use while delivering a clean, professional aesthetic that remains appealing after upgrades or hardware refreshes.

Technical Details of Thermaltake The Tower 300 Racing Green Micro Tower Chassis

• Form Factor: Micro-ATX chassis
• Motherboard Support: Micro-ATX compatible
• Radiator Support: Up to 420mm radiator on the right side
• Fan Capacity: Up to eight 120mm/140mm fans
• Finish and Design: Racing Green octagonal prism chassis
• Accessory Options: Chassis Stand Kit available separately for display positioning

How to Install Thermaltake The Tower 300 Racing Green Micro Tower Chassis

• Prepare your components: Gather a micro-ATX motherboard, CPU, memory, storage drives, power supply, and your cooling solution. Ensure you have the necessary mounting hardware, screws, and cable adapters. Clear your workspace and ground yourself to prevent static discharge.
• Open and inspect the case: Remove the side panels and any protective coverings to reveal the interior. Take note of the fan mounting locations and cable routing channels. If you plan to mount a radiator, decide which side configuration you’ll use and ensure clearance for the motherboard and GPU.
• Install the motherboard: Install the I/O shield and align the motherboard with the standoffs. Secure it with the appropriate screws, ensuring it sits flat and is properly grounded. Connect power and data cables where applicable, but avoid cramming cables into restricted spaces to keep airflow unobstructed.
• Mount storage and expansion: Install any 2.5" or 3.5" drives in their respective bays and mount a graphics card securely in the PCIe slot. Route cables along the dedicated channels and ties to minimize clutter and maximize airflow.
• Install cooling and close the case: Install fans or a radiator according to your chosen configuration. Connect all fan headers and pump power as needed, then route cables neatly. Reinstall the side panels and reboot to verify POST and cooling performance.

Frequently asked questions

• Q: What is the radiator capacity of The Tower 300 Racing Green?
• A: It supports up to a 420mm radiator on the right side for liquid cooling performance.
• Q: Is this chassis compatible with micro-ATX motherboards?
• A: Yes, The Tower 300 Racing Green is designed for micro-ATX builds and components.
• Q: Can I display the chassis with the stand kit?
• A: The Chassis Stand Kit is sold separately and can be used to display the chassis at an angle.
• Q: How many fans can the Tower 300 support?
• A: The case supports up to eight 120mm or 140mm fans to maximize cooling and airflow.