Dell says the E5570 has been built to pass the MIL-STD-810G durability tests. That means you can operate this machine at temperatures as high as 140 degrees Fahrenheit and as low as minus 20.2 degrees. The notebook can also be operational while sand and dust are blasted at it for 12 hours, and at heights of up to 15,000 feet
Excellent battery keyboard lights smooth performance
Ooen to negotiation on memory and storage as well