The transport and delivery charges for this unit is €25,- within the EU zone. Make sure you ask for a estimate for delivery outside EU zone. Model Antminer Z15E was released because of the manufacturer Bitmain simultaneously as the base design Z15. They were being unveiled in Could 2020, as https://griffingjjyu.signalwiki.com/2199164/top_antminer_z15_pro_used_secrets