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I used to use exclusively Seagate drives, until I had a series of them under warranty - go bad.  They too had a great return - they would pre-ship a box with drive and return label to return old.
 
I then switched to Western Digital, but quickly found them to go South quicker than the Seagates, so I switched again to Toshiba, and those so far have worked well, with the exception of my current pretty much BRAND NEW Toshiba 6 TB external drive.  I literally used it - meaning plugged it in and copied to it, less than 5 times, and yesterday upon plugging it in, it is dead as a stick.  I do NOT care if it is a bad power supply or if it is the drive.  This thing was used less than 5 times, and goes belly up.
 
I would have to say that the Western Digital BLACK drives seemed to hold up a lot longer than the Blue, and they also I believe have a 5-year warranty, rather than the 1-3 year warranties of other models/brands.  I DO have 3 of the WD Black drives, and all have been running great for at least 2 years.
 
 
GGGRRRR, on the Toshiba external drive, 
 
Bob Bone

Here is another update from BackBlaze who have 68,813 disk drives (250 Petabytes of data stored):
 
https://www.backblaze.com/blog/hard-drive-failure-rates-q2-2016/
 
Here is their summary:
 
"The Seagate 8TB drives are here and are looking good. Sadly we’ll be saying goodbye to the HGST 2TB drives, but we need the space. We’ll miss those drives, they were rock stars for us. The 4TB Seagate drives are our workhorse drives today and their 2.8% annualized failure rate is more than acceptable for us. Their low failure rate roughly translates to an average of one drive failure per Storage Pod per year. Over the next few months expect more on our migrations, a look at the day in the life of a data center tech, and an update of the “bathtub” curve, i.e. hard drive failure over time."