WD - My Passport for Mac 1TB External USB 3.0 Portable Hard Drive - Silver
Take up to 1TB of files on the go with this WD My Passport for Mac external hard drive, which features password protection and hardware encryption to protect your data. The USB 3.0 interface simplifies connection to your MacBook® or MacBook Air®.
I bought a WD passport many years ago and it flaked out on me shortly after so I was a little wary to get this one but it's such a good deal price-wise. It has so far worked wonderfully and I couldn't be happier!
WD - My Passport for Mac 1TB External USB 3.0 Portable Hard Drive - Silver
Take up to 1TB of files on the go with this WD My Passport for Mac external hard drive, which features password protection and hardware encryption to protect your data. The USB 3.0 interface simplifies connection to your MacBook® or MacBook Air®.
Is this drive compatible with Yosemite?
Yes. I've used it on both our Macs with Yosemite and it works fine.