I saved these emails locally on my computer and backed them up on a second hard drive and on my cloud. (inc.com)
Then again, we also miss having an optical drive and / or a second hard drive in a swappable bay like in the way chunkier T - series models of yore, so we're clearly showing our age. (computershopper.com)
My second hard drive is a second internal hard drive, but you could get an external hard drive, too. (lawyerist.com)