How to Check if Your Hard Drive Is Failing
by David Murphy from Lifehacker on (#4G5GS)

Windows: I recently had a suspicion that something was up with my hard drive. Spending a little time to figure out what was going on-and to confirm nothing bad was actually happening-saved me $200+, or the cost of the shiny new 6TB HDD (or speedier 2TB SSD) I was contemplating ordering off Amazon.