The delivery and shipping rates for this system is €twenty five,- in the EU zone. Please ask for a quotation for shipping outside EU zone. Canaan warrants the bought solutions(s) for getting freed from all defects in articles, operation and workmanship for 100 and eighty times for Click on “Enhance” https://flagma.dk/en/used-bitmain-antminer-z15-refurbished-l7-s21-s19pro-o1718344.html