
As a new member of the Tower series, The Tower 300 shares the same silhouette with its predecessors, offering full display to the system components. The most obvious appearance between its families is the octagon design. You can fit 4090 GPU and a 420mm radiator in The Tower 300, keeping the motion high and the temperature low. Besides two preinstalled top fans, you can also install two 120/140mm behind the motherboard or one 120/140mm fan on top of the power cover or three 120/140mm fans at the right side fan bracket. It provides excellent hardware expandability to accommodates latest PC hardware without compensating the building experience.
Q: Are there any internal 3.5-inch drive bays?
A: This PC case has three internal 3.5-inch bays.
Q: Does the case have any USB Type-C ports?
A: The case has one USB Type-C charging port.
Q: Can the case accommodate a 420mm radiator?
A: You can fit a 420mm radiator in The Tower 300.
Q: How many fans are included in the case?
A: This PC case comes with two fans pre-installed.
Q: What is the maximum height of a CPU cooler that can be installed?
A: The maximum CPU cooler height that can be installed is 200 millimeters.
Q: What is the maximum length of a GPU that can be installed?
A: The maximum length of a GPU that can be installed is 400 millimeters.
Q: How many fans are included in the case?
A: This PC case comes with two fans pre-installed.
Q: What is the maximum height of a CPU cooler that can be installed?
A: The maximum CPU cooler height that can be installed is 200 millimeters.

As a new member of the Tower series, The Tower 300 shares the same silhouette with its predecessors, offering full display to the system components. The most obvious appearance between its families is the octagon design. You can fit 4090 GPU and a 420mm radiator in The Tower 300, keeping the motion high and the temperature low. Besides two preinstalled top fans, you can also install two 120/140mm behind the motherboard or one 120/140mm fan on top of the power cover or three 120/140mm fans at the right side fan bracket. It provides excellent hardware expandability to accommodates latest PC hardware without compensating the building experience.

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The CORSAIR 3500X RS-R ARGB Mid-Tower Glass PC Case delivers bold lighting, strong airflow, and a clean, modern look with wraparound tempered glass. Three pre-installed RS-R reverse rotor fans connect via a +5V ARGB header, while its spacious interior fits large GPUs and 360mm radiators. Includes GPU support and reverse motherboard compatibility.
| Pros for Thermaltake - The Tower 300 Micro ATX PC Case - Hydrangea Blue | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Design, Color | There were no pros for this product— |
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Had fun building in it. Squeezed in an 7900xt GPU without a problem. Great airflow and access. Highly recommend if you are looking for a case that a different form factor.
This review is from Thermaltake - The Tower 300 Micro ATX PC Case - Racing Green
user233635 Posted
I love thermal take cases. I had my last one for 10 years and it survived 3 moves. But this case just looks great and has great airflow. It was very easy to figure out and hides all the cables great. I didn’t even build a new pc I just moved every thing into this case and it feels like a brand new pc. 10 out of 10 would recommend.
This review is from Thermaltake - The Tower 300 Micro ATX PC Case - Racing Green
bestbuycustomer Posted
This is for my husbands gaming setup. It fits on a IKEA square shelf on the top, it’s too small to fit inside but it looks great on display sitting on the top. Our old ones were also on the top but they hung over and didn’t look as aesthetically pleasing!
This review is from Thermaltake - The Tower 300 Micro ATX PC Case - Bumblebee Yellow
Jennifer Posted