Either, hence most people would have them in a garage/workshop. I built the frame myslef in order to increase/maximise airflow and cooling.
Note I will give support and guidance for your procurement after sale as well. Best wishes and happy mining. The item "6 GPU MSi Geforce GTX 1070 8GB 180+Mh Mining Rig" is in sale since Monday, June 4, 2018. This item is in the category "Coins\Virtual Currency\Miners".
The seller is "hudsonandsonelectrical" and is located in nottingham. This item can be shipped to United Kingdom.