I installed a new backup hard drive a few weeks ago, a Seagate Firecuda hybrid drive. The drive worked fine for around a week and I had a system lockup which required powering off the system. Since then I have problems, random times the computer will not power down also takes ages to boot up. If...

I've got a Seagate Personal Cloud at the moment, but it isn't really beefy enough for what I need. I know I can expect to be spending in the hundreds on this but that's fine, I just want to know what I'm buying will do what I want. Basically, I've got a load of DVDs ripped for the kids that I'd...