I had an X1 Carbon like this, only it'd crash for no apparent reason. The internet consensus that Lenovo wouldn't own up to was that the i7 CPUs were overpowere

I had an X1 Carbon like this, only it'd crash for no apparent reason. The internet consensus that Lenovo wouldn't own up to was that the i7 CPUs were overpowered for the cooling, so your best bet is either underthrottling them or getting an i5.