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| Rear fan for better ventilation |
| 80mm fan (optional) to improve the airflow in the chassis. |
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| Simple & stylish power button design |
| Power button embedded in an elegant design with a glossy coating to bring a premium finish to the GZ-C139. |
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| TAC 2.0 side panel for an excellent thermal solution |
| Sporting a side panel with TAC 2.0 ventilation holes for a better cooling performance. |
