Roman Hartung
German mechatronics engineer, overclocker, and entrepreneur
Roman Hartung, known online as der8auer, is a German mechatronics engineer, overclocker, entrepreneur and YouTuber. He speaks German and English. His YouTube channel, 
der8auer, had about 501,000 subscribers in November 2025, up from 431,000 in August 2021.
Roman Hartung’s social media accounts
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