Thermaltake
The Tower 300 Micro Tower Chassis
Best vertical chassis for enthusiasts building high-performance, compact gaming systems.
The Tower 300 Racing Green continues the legacy of Thermaltake's classic vertical chassis design, presented in a striking octagonal prism shape. This Micro ATX case offers exceptional hardware support, accommodating large GPUs like the 4090 and radiators up to 420mm on the right side. It comes pre-equipped with two 140mm PWM fans for immediate cooling. Enhance your setup with optional LCD screen and horizontal stand kits for a personalized aesthetic and unique display. Tool-free access panels and integrated dust filters ensure easy maintenance and a clean build.
$4390.00
Owner Satisfaction
4.6
/ 5
Category Rank
60
/ 904
#60 in Desktop Computer Cases
Price vs Category Average
+588%
Above average
Form Factor
m-ATX Case
/ m-ATX Case
Who it's for
- PC builders wanting a centerpiece for their custom hardware
- Performance enthusiasts running high-end, heat-generating components
- Users needing versatile placement options for unique desk setups
Who should skip it
- Minimalists with limited desk surface area
- Novice builders intimidated by complex cable management
- Budget-conscious shoppers avoiding additional accessory costs
Performance breakdown
Thermal Efficiency
Vertical airflow design keeps high-end components cool under heavy gaming loads.
Hardware Compatibility
Accommodates massive GPUs and large radiators despite the compact footprint.
Build Accessibility
Tool-free panels make component installation and routine maintenance remarkably simple.
Aesthetic Customization
Optional LCD screen and unique prism shape offer unmatched visual flair.
Build Quality
Sturdy tempered glass and solid frame construction feel premium and durable.
Space Efficiency
Vertical orientation saves desk space while maintaining a bold visual presence.
Key Specs
Form Factor
m-ATX Case
Motherboard Compatibility
Mini ITX, Micro ATX
Max GPU Length
400mm (without power cover)
Max CPU Cooler Height
210mm
Max PSU Length
220mm
Drive Bays
Three 2.5'' SSDs or three 3.5'' HDDs
Included Fans
Two 140mm PWM fans
Radiator Support
Up to 420mm AIO on the right side
Features
- Distinctive octagonal prism vertical design
- Supports large GPUs and 420mm AIO radiators
- Tool-free access panels for easy building
- Includes two 140mm PWM cooling fans
- Optional horizontal placement with stand kit
- Optional LCD screen for custom displays
- Integrated dust filters for cleanliness
- Tempered glass panels for a clear view
What customers say
Customers overwhelmingly praise the distinctive aesthetic of the Tower 300, especially the vibrant Racing Green colorway. The unique hexagonal vertical layout is a major selling point, offering exceptional component visibility and making it a true centerpiece. Builders appreciate the high quality materials and the surprisingly easy assembly process, noting that thermal performance is excellent due to the ample ventilation. This chassis successfully blends bold design with practical, high end construction, satisfying enthusiasts seeking a statement piece.
Know before you buy
Yes, the Tower 300 is designed to accommodate large graphics cards up to 400mm in length, provided the power cover is removed. Its vertical orientation is specifically engineered to support high-performance hardware without sacrificing airflow.
The chassis supports AIO liquid cooling with radiators up to 420mm, which can be mounted on the right side of the case. This provides significant thermal headroom for high-end CPU cooling.
Yes, you can place the case horizontally, but you will need to purchase the optional horizontal stand kit separately. This allows for more flexibility in how you display your build on your desk.
Maintenance is straightforward thanks to the tool-free access panels, which allow you to quickly remove the glass and side panels. The integrated dust filters are easily accessible, making regular cleaning simple to manage.
The Tower 300 is a Micro-ATX case that supports both Micro-ATX and Mini-ITX motherboards. It is not compatible with standard ATX motherboards.
Yes, Thermaltake offers an optional LCD screen kit that can be installed on the case. It is a great way to display real-time system stats or custom animations.
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Ask Hayley anything about this product before you decide.
Ready to buy?
$4390