Here are some prices:

Bitfury Tardis miner, 6.3 KW.
The Bitfury Tardis miner is offered with different configuration options:

5 hashboards, 66TH/s, 6,3KW – 95 mJ/GH, $55 per TH/s
6 hashboards, 71TH/s, 6,3KW -  88 mJ/GH, $58 per TH/s
7 hashboards, 75TH/s, 6,3KW -  84 mJ/GH, $61 per TH/s
8 hashboards, 78TH/s, 6,3KW -  80 mJ/GH, $65 per TH/s
Each hashboard contains 128 Bitfury Clarke chips.