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Thermaltake · Micro-Tower · Tempered glass

Thermaltake The Tower 300 Black

Mini-ITX, Micro-ATX · Black · USB-C

Quality
78
Quality / price
47
Max GPU
400 mm
Amazon
$150
Thermaltake The Tower 300 Black
View Thermaltake The Tower 300 Black Gallery in high resolution
$150
Available on Amazon Updated Aug 30, 2026 Prime FBA
Overall quality78.0
Quality / price46.8
Cooling support20
$150 on Amazon Case table Compare this case

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Written analysis

Thermaltake The Tower 300 Black at a glance

The Thermaltake The Tower 300 Black is a Micro-Tower chassis with a tempered glass side panel profile. Supported boards: Mini-ITX, Micro-ATX. Primary materials are listed as SPCC .

Overall quality is 78.0, summing compatibility, cooling, storage, build quality, and connectivity. Max GPU length is 400 mm. Max CPU cooler height is 210 mm. Largest radiator support is listed at 420 mm.

Best fit: High-end long-GPU builds that need support for at least one 360 mm radiator; verify the listed radiator positions before planning a multi-radiator loop.

Cooling and front I/O

Front ports: USB 3.2 (Gen 2) Type-C x 1, USB 3.0 x 2, HD Audio x 1 . USB-C is present on the front I/O. Dust filters: Yes.

Current value

At $150, quality / price is 46.8. Compare nearby cases of the same form factor below; clearance and panel type can outweigh a small quality gap.

Chassis data

Full specifications

Construction, clearances, cooling, storage, front I/O, and quality metrics in one technical sheet.

General

Manufacturer
Thermaltake
Case
Thermaltake The Tower 300 Black
Form factor
Micro-Tower
Side panel
Tempered glass
Launch price
—
Amazon price
$150
Amazon availability
Available
Price updated
Aug 30, 2026

Construction

Material
SPCC
Color
Black
Side panel detail
tempered glass x 3
Dimensions
551 x 342 x 281 mm
Weight
—
PSU shroud
Yes
RGB lighting
No

Quality & value

Overall quality
78.0
Compatibility
14
Cooling support
20
Storage score
10
Build quality
18
Connectivity
16
Quality / price
46.8

Compatibility / clearances

Motherboard sizes
Mini-ITX, Micro-ATX
Max GPU length
400 mm
Max cooler height
210 mm
Max PSU length
220 mm
PSU form factor
ATX, SFX
PSU included
No

Cooling

Max radiator
420 mm
Fan support
Top: 2 x 120mm, 1 x 120mm 2 x 140mm, 1 x 140mm Right Side: 3 x 120mm, 2 x 120mm, 1 x 120mm 3 x 140mm, 2 x 140mm, 1 x 140mm Rear: 2 x 120mm, 1 x 120mm 2 x 140mm, 1 x 140mm Power Cover: 1 x 120mm 1 x 140mm
Radiator support
Right Side(AIO): 1 x 360mm, 1 x 240mm, 1 x 120mm 1 x 420mm, 1 x 280mm, 1 x 140mm
Pre-installed fans
Not specified
Dust filters
Yes

Storage & I/O

Drive bays
3 x 3.5” or 3 x 2.5”
Expansion slots
4
Front ports
USB 3.2 (Gen 2) Type-C x 1, USB 3.0 x 2, HD Audio x 1
USB-C
Listed

Additional information

Also listed as
The Tower 300 Black
Additional info
Top(exhaust): 140 x 140 x 25 mm CT140 fan (1500rpm, 30.5 dBA) x 2

Amazon

Price history

Nearby quality

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Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

Octagonal tower chassis supports up to M-ATX motherboad

2 x 140mm CT Fan included

Supports up to 120/140mm fan x 3 or 420mm radiator

Horizontal display enabled by optional Chassis Stand Kit (Need to purchase seprately)

Addional LCD Screen Kit avaialble for purchase

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