I have just reviewed a USB 3.0 docking station with USB card reader and my review is in relation of this HDD with that utility. I have had for a couple of years now, an eSATA docking station so that I could use drives without the need for opening the PC case. It was OK but firmware issues meant I had to reboot the PC if I wanted to change the disk, hot swapping wouldn't work.
With the USB 3.0 one, this has changed and opened up horizons for out-of-caddy drives. Enough of the prequel. I already have one of these drives (WD20EAX, so very slightly different). This I use for backup of my home-studio which generates something up to 100GB of data per song (96kHz) where a single instrument in one track easily surpasses 200-300 MB. This data is precious and irreplaceable as you can imagine, so reliability is the word. The studio has the performance scratch disks so what I needed was efficient, dependability. These drives deliver that in abundance. Low power and on the USB 3.0 docker, backups churn away quietly at a respectable 100 MBpS which means I'm not waiting around forever. I have a couple now so take one off-site to ensure that if there is a fire or some other disaster, I have backups to a few days ago secure in another location.
I wouldn't use one of these for a scratch disk for video or audio work but they have a huge thumbs up for storage & retrieval. 10/10 WD.