I use 2.5" laptop hard drives not older than 2 years. They last about 6 years. And if a hard drive starts to go, sometimes you hear it failing. I actually back

I use 2.5" laptop hard drives not older than 2 years. They last about 6 years. And if a hard drive starts to go, sometimes you hear it failing. I actually backed up a 30gb hard drive where I had to wobble it up and down while being backed up.