Installed on a 15" MacBook Pro (late 2011)... AWESOME!
My HDD on my MBP had started making a "clicking" sound. After researching the issue, multiple possibilities were found to be the cause - including the HDD was dying! After going back and forth between the WD Black 750GB and the Seagate 1TB SSHD, I opted for the WD due to it's proven performance and...
Great speed (for a HDD); best warranty out there and tons of storage space for the price! Speed test done on Blackmagic Disk Speed Test double from 50+ MBPS (original HDD) to 110+ MBPS with the WD Black! Some reviews mentioned that this drive was loud and heated up.
Not really a weakness as performance and speed are much greater than the original HDD...; however, I did notice that my battery life went from 6'ish hours down to 4'ish hours; Still great battery life if you consider all that can be done with a MBP while unplugged