> It's really low impact though. Even if your rig consumes a kW, you're still not driving anywhere
If google didn't failed me, a good car mileage is equivalent to around 20kWh per 100 miles. Therefore, a 100 mile drive is loosely equivalent to a day or two gaming with one of these rigs.
Doing the math based on the energy content of gasoline gives 96 kilowatt-hours for a car getting 40 miles per gallon, going up to 106 if you include the energy cost of refining a gallon of gasoline from oil.
If google didn't failed me, a good car mileage is equivalent to around 20kWh per 100 miles. Therefore, a 100 mile drive is loosely equivalent to a day or two gaming with one of these rigs.