I don't keep giant archives of porn or ripped movies on my hard drive, so 160GB is more than enough space for me and two OSes, and I never need any particular speed out of hard drive as I don't write to it. If you don't have a need for a high-performance HD, this is a good bet.
UndeadStar -- https://staredit.net/topic/18961/ <= wow, if there wasn't a capital letter on almost every word in the title, and a link in the signature, I may not have guesses it's an AI bot. I don't know much about map editing, but the content may even be relevant enough to be kept.