Depending on the intended size/scale, VPS probably isn't really a good fit for this - bandwidth and disk domination. Both of these are shared with other tenants

You'll surely be able to use the space allocated, but if you're consistently pushing over a gigabit you'll probably find more difficulties than if you had simply gone dedicated.

Which conveniently, also tends to include buckets of storage for more reasonable pricing. Largely because redundancy is now your problem