Two included ARGB fans
Comes with two 120mm PWM ARGB fans for illuminated airflow.
Cooler Master product
A black mesh Micro-ATX case with four expansion slots, flexible drive mounting, two included 120mm PWM ARGB fans and broad fan support.

Comes with two 120mm PWM ARGB fans for illuminated airflow.
Supports multiple 120mm and 140mm fan positions across the top, front and rear.
Provides four expansion slots and mixed 3.5-inch / 2.5-inch drive positions.
The MasterBox TD300 uses the supplied mesh design with two 120mm PWM ARGB fans included from the outset.
The top supports two 120mm or 140mm fans, the front supports three 120mm or two 140mm fans, and the rear supports one 120mm fan.
Two combination 3.5-inch / 2.5-inch drive bays and two dedicated 2.5-inch positions are listed.
Top and front positions support the supplied 120mm, 140mm, 240mm and 280mm radiator sizes; the final source line is truncated after an additional 120mm reference.
DeviceDeal is an authorised Cooler Master reseller. This product is supplied under the applicable Cooler Master manufacturer warranty.
The case includes two 120mm PWM ARGB fans.
The supplied description lists four expansion slots.
The front supports three 120mm fans or two 140mm fans.
The source confirms 120mm, 140mm, 240mm and 280mm support at the top and front.
(TD300-KGNN-S00)
Supports the cooling-focused chassis design identified in the product name.
Includes two 120mm illuminated fans.
Accommodates the supplied top, front and rear cooling combinations.
Provides two combination bays plus two dedicated 2.5-inch positions.
The final radiator-support wording is truncated, so only the complete top and front sizes are presented as confirmed.
| SKU / manufacturer part number | TD300-KGNN-S00 |
|---|---|
| Product model | Cooler Master MasterBox TD300 ARGB Mesh |
| Case type | Micro-ATX case |
| Colour | Black |
| Expansion slots | 4 |
| 3.5-inch / 2.5-inch combo bays | 2 |
| Dedicated 2.5-inch bays | 2 |
| Included fans | 2 × 120mm PWM ARGB |
| Top fan support | 2 × 120mm / 140mm |
| Front fan support | 3 × 120mm; 2 × 140mm |
| Rear fan support | 1 × 120mm |
| Confirmed top / front radiator support | 120mm; 140mm; 240mm; 280mm |
| Additional radiator detail | Source line is truncated after an additional 120mm reference |
| Coverage | Applicable Cooler Master manufacturer warranty |
|---|
| SKU | TD300-KGNN-S00 |
| Barcode # | 4719512124154 |
| Brand | COOLER MASTER |
| Shipping Weight | 1.0000kg |
DeviceDeal is an authorised Cooler Master reseller. This product is supplied under the applicable Cooler Master manufacturer warranty.
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