As systems become more complex, so too do their failure modes. This paper documents over a half a dozen slow performance modes of SSDs with several different in

As systems become more complex, so too do their failure modes. This paper documents over a half a dozen slow performance modes of SSDs with several different internal failure modes caused by the silicon, firmware, etc. Contrast that with the modes they discovered for CPUs: no internal factors, only external factors such as power delivery or cooling capacity. That's quite a testament to the construction of the most sophisticated manufactured goods on the planet.