Every PS3 has a HDD, and no PS3 can function without that HDD, and every HDD in the PS3 will eventually fail.
So my friends, the PS3 has the highest failure rate of all consoles out there today, bar the Xbox 1. The Xbox 360 and Wii by comparison do not rely on a device which has a 100% eventual failure rate. Whilst the Xbox 360s HDD is just as fallible, the console itself can operate without it. Consoles like the Wii, Xbox 360, SNES, NES, N64 etc rely on flash memory to a degree and can operate even if the mechanical components break down.
I don't mean this to cause any offense, but its just a funny observation I just thought of. 
Tease.









