Tesla batteries retain more than 90% capacity past 160,000 miles, informal study shows
Data was gathered collectively by hundreds of Tesla owners in Europe
An avalanche of reports started to surface last September when users began to notice that their usually speedy Samsung SSD 840 and SSD 840 EVO drives were no longer performing as they used to. We've looked deep into the problem to understand what's been fixed and what hasn't. Samsung owes its customers an explanation.