Thermaltake
Thermaltake The Tower 300 Micro Tower Chassis
Best compact chassis for enthusiasts building high-performance, visually striking desktop systems.
Introducing The Tower 300 Matcha Green, a striking Micro ATX chassis that redefines the classic vertical design with a unique octagonal prism shape. This case offers exceptional hardware support, accommodating large components like a 4090 GPU and a 420mm AIO radiator. It includes two pre-installed 140mm PWM fans for immediate cooling. Enhance your build with an optional stand kit for horizontal placement or an LCD screen kit for personalized system monitoring. Tool-free access through three tempered glass panels ensures easy customization.
$99.11
Owner Satisfaction
4.6
/ 5
Category Rank
79
/ 901
#79 in Desktop Computer Cases
Price vs Category Average
-84%
Below average
Motherboard Compatibility
Mini ITX, Micro ATX
/ Mini ITX, Micro ATX
Who it's for
- Desk planners requiring flexible orientation for their workspace
- Showcase builders wanting a panoramic view of their hardware
- Performance enthusiasts needing high-end cooling for powerful components
Who should skip it
- Users who want a low-maintenance, dust-free PC experience
- Minimalists with limited desk surface area
- Builders who prefer a quick and easy cable routing process
Performance breakdown
Thermal Efficiency
Vertical airflow design keeps high-end components cool under heavy gaming loads.
Hardware Compatibility
Remarkably supports massive 4090 GPUs and 420mm radiators in a compact footprint.
Build Accessibility
Tool-free tempered glass panels make component installation and maintenance a breeze.
Aesthetic Customization
The unique octagonal prism and optional LCD screen offer unmatched visual flair.
Space Efficiency
Vertical orientation saves significant desk space without sacrificing internal component capacity.
Cable Management
Requires careful planning due to the unique vertical layout and glass panels.
Key Specs
Motherboard Compatibility
Mini ITX, Micro ATX
Radiator Support
Up to 420mm
Fan Support
Up to eight 120mm/140mm fans
Included Fans
Two 140mm PWM
Max GPU Length
400mm
Max PSU Length
220mm
Max CPU Cooler Height
210mm
Drive Bays
Three 2.5'' SSDs or three 3.5'' HDDs
Features
- Unique octagonal prism design
- Supports large GPUs and radiators
- Optional horizontal placement
- Optional LCD screen for customization
- Tool-free access for easy building
- Integrated dust filters
- Optimized airflow design
- Removable fan bracket for easy installation
What customers say
The Thermaltake Tower 300 captivates with its unique octagonal design and extensive tempered glass, earning it the nickname aquarium PC. This vertical orientation brilliantly showcases internal hardware. Beyond its striking looks, the chimney effect ensures excellent thermal performance, efficiently cooling powerful components. Despite its compact size, builders appreciate the surprisingly generous internal space that simplifies component installation. The build quality feels premium and solid. This case is highly recommended for enthusiasts seeking a distinctive, high airflow design that beautifully displays their PC build, prioritizing both aesthetics and performance.
Know before you buy
Yes, the Tower 300 is designed to accommodate large GPUs up to 400mm in length, making it fully compatible with most RTX 4090 models.
No, the LCD screen kit is an optional accessory that must be purchased separately. It allows you to display system vitals or custom images via Thermaltake's software.
The case features an optimized chimney-effect airflow design that draws cool air from the bottom and exhausts it through the top. It supports up to eight fans and large radiators to ensure your components stay cool despite the compact footprint.
The case is designed for a vertical orientation by default, but it can be placed horizontally if you purchase the optional stand kit. This kit provides the necessary stability for a sideways configuration.
Maintenance is straightforward. The case includes integrated dust filters that are easily accessible, allowing you to keep your internal components clean without needing to disassemble the entire build.
The Tower 300 supports standard ATX power supplies up to 220mm in length, giving you plenty of flexibility for high-wattage units required by powerful hardware.
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