They actually have four different capacities of drive listed, each with different amounts of discount, but the 2TB is by far the best deal.
250GB Crucial SSD – $79 $59500GB Crucial SSD – $110 $1051TB Crucial SSD – $199 $1652TB Crucial SSD – $449 $319
You’ll want to hurry, though, if you want one. At this price, they won’t last long at $319. If I were in the USA, I’d be buying as many of those 2TB drives as I could right now – you just can’t beat SSDs for video editing.