Looking to purchase in bulk 1080tis with blowers only.

https://i.imgur.com/yWNhml1.jpg

Must be functional, looking to pay 450-550 each depending on model.

Not interesting in buying 1 or 2 at a time, looking to buy in bulk ( 20+ )
Not interested in buying complete rigs
Not interested in non-blower 1080tis
Not interested in other cards

This is for rendering, not mining.