Question about external hard drives

[pennjones]

So I'm looking into getting an external hard drive. The question I have is: Are there any out there that are compatible with both pc's and apple's. I currently have a pc, but want to buy an apple mac mini. I would want the hard drive so I could take all the files from my pc (pics, movies, text docs, etc), and store them on the hard drive. I would want to use the external hard drive on the mac mini as a storage device, not just a temporary type thing, so that the computer itself will perform better. Are there any out there that can do this? Please let me know. Oh btw, I'm looking at at least 1tb. Thanks in advance for the advice!