I can offer 80 eur. (they are second hand and also used for almost year)
Escrow fees on me, shipping fees on you.
Also i see them brand new for 150$ (130 eur) -> https://www.amazon.com/Seagate-External-Desktop-Photography-STEL8000100/dp/B01HD6ZLQ6/ref=sr_1_fkmrnull_1?keywords=seagate+backup+plus+hub+8tb+external+hard+drive&qid=1550704659&s=gateway&sr=8-1-fkmrnull