Pretty much wait for it to run into the ground then RMA it since it's way inside WD's warranty.
Seagate has never failed me. Before my 1TB I had a Seagate HDD which lasted me for 5 years, and has been passed over to my dad now and it still works fine. I would trust no other HDD manufacturer.
I got an eHDD WD 1TB last year, and it's working fine. I basically use it as my main HDD, because I only have a 40GB built into my desktop computer.
To add further insult to injury, my server is running critically low on space so I have to buy yet another HDD so that I may continue to my server's growth of data.
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