We can kindly confirm that the standard operating temperatures for this enclosure is between

85 - 122 degrees Fahrenheit or under 50 degrees Celsius. 

Please be advised that depending on how the enclosure and internal drive are being used, the temperature may fluctuate but should not exceed 122 degrees Fahrenheit or 50 degrees Celsius as long as the included thermal pad is properly installed. 

Please feel free to contact us if you were to have any further inquiries or concerns regarding the heat of this product.