Please be aware that this doesn't include electricity and cooling, which is really expensive in Germany. They charge 0.476€/kWh. Running a single 4090 @ 450W 24

Please be aware that this doesn't include electricity and cooling, which is really expensive in Germany. They charge 0.476€/kWh. Running a single 4090 @ 450W 24/7 would add another ~150€/month.