The Tower 300 Micro Tower Chassis
Best compact chassis for enthusiasts wanting a unique, high-performance display build.
The Thermaltake Tower 300 Bumblebee is a striking Micro Tower chassis that continues a legacy of innovative design. Its distinctive octagonal prism shape and classic vertical orientation offer a unique aesthetic for your desktop. This m-ATX case provides ample space for high-end components, including large GPUs and a substantial 420mm AIO radiator. It comes equipped with two pre-installed 140mm PWM fans for effective cooling. Enhance your setup with optional accessories like a stand for horizontal placement or an LCD screen kit for personalized information display.
$4390.00
Owner Satisfaction
4.6
/ 5
Category Rank
79
/ 903
#79 in Desktop Computer Cases
Price vs Category Average
+588%
Above average
Motherboard Compatibility
Mini ITX, Micro ATX
/ Mini ITX, Micro ATX
Who it's for
- Showcase builders wanting a panoramic view of their components
- Performance enthusiasts requiring high-end cooling for intensive tasks
- Space-conscious users needing flexible orientation for their desk setup
Who should skip it
- Beginners seeking a simple, stress-free cable management experience
- Minimalists with limited desk space for bulky hardware
- Builders preferring neutral aesthetics for their custom PC
Performance breakdown
Thermal Capacity
Massive radiator support handles high-end cooling with ease.
Component Compatibility
Accommodates oversized GPUs and power supplies despite the compact footprint.
Build Accessibility
Tool-free panels make hardware installation and maintenance remarkably straightforward.
Aesthetic Versatility
Distinctive octagonal prism design stands out in any workspace.
Customization Potential
Optional LCD kits and orientation stands offer deep personalization.
Dust Management
Integrated filters keep internals clean during long-term operation.
Key Specs
Motherboard Compatibility
Mini ITX, Micro ATX
Max GPU Length
400mm
Max CPU Cooler Height
210mm
Max PSU Length
220mm
Drive Bays
Three 2.5'' SSDs or three 3.5'' HDDs
Radiator Support
Up to 420mm on the right side
Included Fans
Two 140mm PWM
Panel Access
Tool-free tempered glass and mesh panels
Features
- Unique octagonal prism Micro Tower design
- Classic vertical orientation
- Optional horizontal placement with stand kit
- Supports large 420mm AIO radiators
- Tool-free access for easy servicing
- Includes two 140mm PWM cooling fans
- Optional LCD screen for customization
- Integrated dust filters for clean internals
What customers say
Customers overwhelmingly praise the striking aesthetic of the Bumblebee chassis. Its unique octagonal design and vibrant yellow color make it a true centerpiece for any build. Beyond looks, the quality of construction is frequently highlighted. Users appreciate the robust materials and the ease of component visibility provided by the multiple tempered glass panels. While its size is substantial for a micro tower, the premium feel and standout appearance justify the investment for enthusiasts prioritizing style and solid construction.
Know before you buy
The Tower 300 is designed to accommodate Mini-ITX and Micro-ATX motherboards.
Yes, the chassis supports up to a 420mm AIO radiator mounted on the right side, providing excellent cooling potential for high-end builds.
While the case is designed for a vertical orientation, you can place it horizontally using an optional stand kit, which is sold separately.
The case supports GPUs up to 400mm in length, allowing you to install most modern, high-performance graphics cards without issue.
Yes, it includes two 140mm PWM fans out of the box to help maintain efficient airflow for your components.
The Tower 300 features a tool-free design, allowing you to easily remove the tempered glass and mesh panels for quick access to your hardware.
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$4390